Over-Allotment Option Over-Allotment Option [Member] Variable Rate [Domain] Variable Rate [Domain] Payable for unsettled purchases Broker-Dealer, Payable to Other Broker-Dealer and Clearing Organization Premium amortization expense Effective Taxable Income Reconciliation, Premium Amortization Expense Effective Taxable Income Reconciliation, Premium Amortization Expense Assets Sold under Agreements to Repurchase [Line Items] Assets Sold under Agreements to Repurchase [Line Items] Proceeds from sales of Agency Securities Proceeds from Sale of Debt Securities, Available-for-Sale Entity Voluntary Filers Entity Voluntary Filers Common stock ATM Sales Agreement At-The-Market Offering Program [Member] At-The-Market Offering Program [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Ratio of indebtedness to net capital Ratio of Indebtedness to Net Capital Weighted Average Contractual Rate Assets Sold under Agreements to Repurchase, Interest Rate Related Party Transaction [Line Items] Related Party Transaction [Line Items] Preferred stock, liquidation preference per share (in dollars per share) Preferred Stock, Liquidation Preference Per Share Available for sale securities Debt Securities, Available-For-Sale [Member] Debt Securities, Available-For-Sale Award Type [Domain] Award Type [Domain] Investment, Name [Domain] Investment, Name [Domain] Unvested RSU Awards Outstanding beginning of period (in shares) Unvested RSU Awards Outstanding end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Debt and Equity Securities, FV-NI [Line Items] Debt and Equity Securities, FV-NI [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Offsetting Assets [Table] Offsetting Assets [Table] Cash collateral posted to counterparties Cash Collateral for Borrowed Securities Percentage of gross equity raised used in calculation of management fee in excess of 1 Billion Related Party Transaction, Management Agreement, Percentage of Gross Equity Raised Used in Calculation of Management Fee in Excess of One Billion Related Party Transaction, Management Agreement, Percentage of Gross Equity Raised Used in Calculation of Management Fee in Excess of One Billion Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Uncommitted Revolving Credit Facility and Security Agreement Uncommitted Revolving Credit Facility and Security Agreement [Member] Uncommitted Revolving Credit Facility and Security Agreement Derivative asset, centrally-cleared Derivative Asset, Centrally-Cleared Derivative Asset, Centrally-Cleared Cost Basis Derivative, Implied Cost Basis Derivative, Implied Cost Basis One Repurchase Agreement Counterparty One Repurchase Agreement Counterparty [Member] One Repurchase Agreement Counterparty Investment, Name [Axis] Investment, Name [Axis] Repurchase agreements, net (including $4,667,483 and $3,247,474, respectively with BUCKLER) Repurchase agreements, net Securities Sold under Agreements to Repurchase Accrued interest payable- U.S. Treasury Securities sold short (including $0 and $684, respectively with BUCKLER) Accrued interest payable, U.S. Treasury Securities sold short, amounts with BUCKLER Interest Payable, U.S. Treasury Securities Sold Short Interest Payable, U.S. Treasury Securities Sold Short Greater than or equal to 5 years Trading Securities, Debt Maturities, Rolling After Year Five, Amortized Cost Basis Trading Securities, Debt Maturities, Rolling After Year Five, Amortized Cost Basis Commitments and contingencies (Note 8) Commitments and Contingencies Schedule of Nonvested Restricted Stock Units Activity Nonvested Restricted Stock Shares Activity [Table Text Block] Stockholders' Equity Equity [Text Block] Repurchase Agreement Borrowings Repurchase Agreement Borrowings [Member] Repurchase Agreement Borrowings [Member] Issuance of common stock, net of expenses Proceeds from Issuance of Common Stock Interest Income (including $973, $1,597 and $70, respectively with BUCKLER) Interest income Interest Income, Debt Securities, Operating Income Taxes Income Tax Disclosure [Text Block] Principal repayments on repurchase agreements (including $(68,737,266), $(45,639,677) and $(19,477,307), respectively with BUCKLER) Principal repayments on repurchase agreements Payments For Securities Sold Under Agreements To Repurchase Payments For Securities Sold Under Agreements To Repurchase Comprehensive Loss per share related to common stockholders: Comprehensive Income (Loss) Per Share [Abstract] Comprehensive Income (Loss) Per Share [Abstract] Gross Amounts Not Offset Financial Instruments, Liabilities Debt Securities, Available For Purchase And Trading, Repurchase Securities, Subject To Master Netting Arrangement, Deduction Of Financial Instrument Not Offset Debt Securities, Available For Purchase And Trading, Repurchase Securities, Subject To Master Netting Arrangement, Deduction Of Financial Instrument Not Offset Concentration Risk [Line Items] Concentration Risk [Line Items] Director Director [Member] Diluted (in dollars per share) Comprehensive Income (Loss) Available To Common Stockholders, Per Share, Diluted Comprehensive Income (Loss) Available To Common Stockholders, Per Share, Diluted Accrued interest payable- repurchase agreements (including $12,345 and $9,908, respectively with BUCKLER) Accrued interest payable, repurchase agreements, amounts with BUCKLER Interest Payable, Securities Sold under Agreements to Repurchase Interest Payable, Securities Sold under Agreements to Repurchase Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, $0.001 par value, 50,000 shares authorized; 7.00% Series C Cumulative Preferred Stock; 6,847 shares issued and outstanding ($171,175 aggregate liquidation preference) at December 31, 2023 and December 31, 2022. Preferred Stock, Value, Issued Subsequent Event Type [Domain] Subsequent Event Type [Domain] Weighted Average Grant Date Fair Value per Award Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Common stock dividends paid Aggregate amount paid to holders of record Payments of Ordinary Dividends, Common Stock Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Diluted (in dollars per share) Earnings Per Share, Diluted Period of written notice of termination (in days) Management Agreement, Period Of Written Notice Of Termination Management Agreement, Period Of Written Notice Of Termination The 2009 Stock Incentive Plan The 2009 Stock Incentive Plan [Member] -- None. No documentation exists for this element. -- Monthly percentage of effective management fee percentage Related Party Transaction, Management Agreement, Monthly Percentage of Effective Management Fee Percentage Related Party Transaction, Management Agreement, Monthly Percentage of Effective Management Fee Percentage Schedule of Dividends Payable Schedule of Dividends Payable [Table Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] (Increase) decrease in accrued interest receivable Increase (Decrease) in Accrued Interest Receivable, Net Book to tax differences: Book to tax differences: [Abstract] -- None. No documentation exists for this element. -- Litigation Case [Axis] Litigation Case [Axis] Trading Symbol Trading Symbol Management Fee Expense Management Fee Expense [Member] Management Fee Expense Amortized Cost Debt Securities, Trading, Amortized Cost Net Income (Loss) Net Income (Loss) GAAP net income (loss) Net Income (Loss) Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Derivative Contract [Domain] Derivative Contract [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Aggregate tax basis of stockholders' equity in excess of assets and liabilities (in dollars per share) Aggregate Tax Basis Stockholders' Equity in Excess of Assets and Liabilities Per Share Aggregate Tax Basis Stockholders' Equity in Excess of Assets and Liabilities Per Share Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Repurchase Agreements, net Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block] Common stock repurchased Stock Repurchased During Period, Value Fed Funds Effective Rate Overnight Index Swap Rate Fed Funds Effective Rate Overnight Index Swap Rate [Member] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Investments in Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Stockholders’ Equity: Equity, Attributable to Parent [Abstract] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Amounts of transaction Related Party Transaction, Amounts of Transaction Award vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 2021 Common stock ATM Sales Agreement 2021 Common Stock ATM Sales Agreement [Member] 2021 Common Stock ATM Sales Agreement Derivative, remaining maturity (in years) Derivative, Remaining Maturity Comprehensive Income (Loss) Comprehensive Income, Policy [Policy Text Block] Schedule of Assets Sold under Agreements to Repurchase [Table] Schedule of Assets Sold under Agreements to Repurchase [Table] Schedule of Weighted Average Number of Shares Schedule of Weighted Average Number of Shares [Table Text Block] Number of Awards Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Other Commitments [Table] Other Commitments [Table] Fair Value Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] Equity Components [Axis] Equity Components [Axis] Financial Instruments [Domain] Financial Instruments [Domain] Investment Type [Axis] Investment Type [Axis] Derivative assets (liabilities), net Derivative Assets (Liabilities), at Fair Value, Net Entity Small Business Entity Small Business Investments [Domain] Investments [Domain] Local Phone Number Local Phone Number Estimated REIT taxable income (loss) Estimated REIT taxable Income Estimated REIT Taxable Income Estimated REIT Taxable Income Notional Amount Derivative, Notional Amount Dividends declared per common share (in dollars per share) Common Stock, Dividends, Per Share, Declared Net unrealized gain (loss) on available for sale Agency Securities OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax To-be-Announced Agency Securities TBA Agency Securities To-be-Announced Agency Securities [Member] To-be-Announced Agency Securities [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Schedule of Investments Classified by Contractual Maturity Date Investments Classified by Contractual Maturity Date [Table Text Block] Greater than or equal to 3 years and less than 5 years Trading Securities, Debt Maturities, Rolling Year Four Through Five, Amortized Cost Basis Trading Securities, Debt Maturities, Rolling Year Four Through Five, Amortized Cost Basis Schedule of Reverse Repurchase Agreements Gross and Net Securities Purchased and Sold Reverse Repurchase Agreements Gross and Net Securities Purchased and Sold [Table Text Block] Reverse Repurchase Agreements Gross and Net Securities Purchased and Sold Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Payments of stock issuance costs Payments of Stock Issuance Costs Nonemployee services transaction, quarterly fee Nonemployee Services Transaction, Quarterly Fee Nonemployee Services Transaction, Quarterly Fee Comprehensive Loss related to common stockholders Comprehensive Income (Loss) Available To Common Stockholders Comprehensive Income (Loss) Available To Common Stockholders Schedule of Contractual Management Fee Commitments Obligation Contractual Obligation, Fiscal Year Maturity [Table Text Block] Net Amounts Presented in the Consolidated Balance Sheet, Assets Debt Securities, Available For Sale And Trading, Repurchase Securities, Net Amounts Presented In The Consolidated Balance Sheet Debt Securities, Available For Sale And Trading, Repurchase Securities, Net Amounts Presented In The Consolidated Balance Sheet Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Number of shares issued in transaction (in shares) Stock issued (in shares) Sale of Stock, Number of Shares Issued in Transaction Management fees Management Fee Expense Changes in operating assets and liabilities: Increase (Decrease) in Operating Assets [Abstract] Gross equity raised Related Party Transaction, Management Agreement, Gross Equity Raised Related Party Transaction, Management Agreement, Gross Equity Raised Gross Unrealized Loss Debt Securities, Trading, Accumulated Gross Unrealized Loss, Before Tax Debt Securities, Trading, Accumulated Gross Unrealized Loss, Before Tax Gross Amounts Not Offset, Cash Collateral Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Potentially dilutive non-vested awards outstanding (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Award Type [Axis] Award Type [Axis] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Plan Name [Domain] Plan Name [Domain] Non-Cash Investing and Financing Activities Noncash Investing and Financing Items [Abstract] U.S. Treasury Securities Effective Taxable Income Reconciliation, Trading Securities, US Treasury Securities Effective Taxable Income Reconciliation, Trading Securities, US Treasury Securities DRIP shares issued (in shares) Stock Issued During Period, Shares, Dividend Reinvestment Plan Common stock dividends Aggregate amount paid to holders of record Dividends, Common Stock Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Notional amount, forward settling Derivative, Notional Amount, Forward Settling Derivative, Notional Amount, Forward Settling Schedule of Dividends Transactions Dividends Declared [Table Text Block] Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Related Party Transactions Related Party Transactions Disclosure [Text Block] Less management fees waived Investment Company, Contractual Fee Waived Use of Estimates Use of Estimates, Policy [Policy Text Block] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Entity File Number Entity File Number Audit Information [Abstract] Audit Information U.S. Treasury Securities Sold U.S. Treasury Securities Sold Proceeds from Sale, Debt Security, Trading, and Equity Security, FV-NI, Held-for-Investment Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Offsetting Liabilities [Line Items] Offsetting Liabilities [Line Items] Two Repurchase Agreement Counterparties Two Repurchase Agreement Counterparties [Member] Two Repurchase Agreement Counterparties Debt Securities, Trading, and Equity Securities, FV-NI [Table] Debt Securities, Trading, and Equity Securities, FV-NI [Table] Repurchase Agreements, net Repurchase and Resale Agreements Policy [Policy Text Block] Auditor Firm ID Auditor Firm ID Investments in securities, at fair value: Debt Securities, Current [Abstract] Entity Shell Company Entity Shell Company TBA Agency Securities 30 Year 4.5% TBA Agency Securities 30 Year 4.5% [Member] TBA Agency Securities 30 Year 4.5% Schedule of Offsetting Liabilities Offsetting Liabilities [Table Text Block] Add: Effect of dilutive non-vested awards, assumed vested (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements, Comprehensive Income (Loss) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements, Comprehensive Income (Loss) Counterparty Name [Domain] Counterparty Name [Domain] Schedule of Equity Transactions Schedule of Stock by Class [Table Text Block] Cash and cash equivalents and cash collateral posted to counterparties - beginning of year Cash and cash equivalents and cash collateral posted to counterparties - end of year Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Net Amounts Presented in the Consolidated Balance Sheet, Liabilities Debt Securities, Available For Purchase And Trading, Repurchase Securities, Net Amounts Presented In The Consolidated Balance Sheet Debt Securities, Available For Purchase And Trading, Repurchase Securities, Net Amounts Presented In The Consolidated Balance Sheet Weighted average common shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted, Comprehensive Income (Loss) Weighted Average Number of Shares Outstanding, Diluted, Comprehensive Income (Loss) Per Share price (in dollars per share) Sale of Stock, Price Per Share Greater than or equal to 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Common stock, shares issued (in shares) Common Stock, Shares, Issued Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Cumulative Distributions to Stockholders Accumulated Distributions in Excess of Net Income [Member] Security Exchange Name Security Exchange Name Unrealized Losses Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] 2028 Contractual Obligation, to be Paid, Year Five Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Derivatives Derivative Instruments and Hedging Activities Disclosure [Text Block] Gross Amounts Not Offset, Financial Instruments Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Total Net Derivative Liability, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election Maximum Maximum [Member] Comprehensive Loss Other comprehensive income (loss) Comprehensive Loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Compensation cost not yet recognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Document Type Document Type Effective management fee (as percent) Related Party Transaction, Management Agreement, Effective Management Fee Percentage Related Party Transaction, Management Agreement, Effective Management Fee Percentage Schedule of Related Party Transactions Schedule of Related Party Transactions [Table Text Block] January 29, 2020, Equity Sales Agreement January 29, 2020, Equity Sales Agreement [Member] January 29, 2020, Equity Sales Agreement [Member] Greater than or equal to 3 years and less than 5 years Interest Rate Swap, Between 3 and 5 Years [Member] Interest Rate Swap, Between 3 and 5 Years [Member] Reverse Repurchase Agreements Repurchase Agreements [Member] Entity Address, Address Line One Entity Address, Address Line One Management Fees Waived Management Fees Waived [Member] Management Fees Waived Stock Based Compensation Share-Based Payment Arrangement [Text Block] Net increase (decrease) in cash and cash equivalents and cash collateral posted to counterparties Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Receipts from reverse repurchase agreements (including $3,124,829, $1,254,184 and $197,750, respectively with BUCKLER) Receipts from reverse repurchase agreements Proceeds from Securities Purchased under Agreements to Resell Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Purchases of Agency Securities (including $240,573 and $203,147 with BUCKLER in 2023 and 2022, respectively) Agency Securities Purchased Payments to Acquire Debt Securities, Available-for-Sale Preferred dividends paid Payments of dividends Payments of Ordinary Dividends, Preferred Stock and Preference Stock Fair Value Derivative, Fair Value, Net Loss on Agency Securities, trading Loss on Agency Securities, trading Debt Securities, Trading, Gain (Loss) Related party transaction, rate Related Party Transaction, Rate Subsequent Event Subsequent Event [Member] Derivative [Table] Derivative [Table] Preferred Stock, Number of Shares, Par Value and Other Disclosure [Abstract] Preferred Stock, Number of Shares, Par Value and Other Disclosure [Abstract] Variable Rate [Axis] Variable Rate [Axis] Increase in accounts payable and other accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Income Statement [Abstract] Income Statement [Abstract] Issuance of stock, net (in shares) Stock Issued During Period, Shares, New Issues Title of 12(b) Security Title of 12(b) Security Related Party [Domain] Related Party, Type [Domain] Derivatives, at fair value Gross Amounts Derivative Liability Maximum lending capacity Related Party Transactions, Maximum Lending Capacity Related Party Transactions, Maximum Lending Capacity Unvested RSU awards outstanding (in dollars per share) Unvested RSU Awards Outstanding beginning of period (in dollars per share) Unvested RSU Awards Outstanding end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Accrued or unpaid dividends Dividends Payable, Current Stock based compensation, net of withholding requirements Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture ARMOUR Management Fees ARMOUR Management Fees [Member] ARMOUR Management Fees Class of Stock [Line Items] Class of Stock [Line Items] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Derivative, fixed interest rate Derivative, Fixed Interest Rate Greater than or equal to 3 years and less than 5 years Available-For-Sale Securities, Debt Maturities, Rolling Year Four Through Five, Amortized Cost Basis Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the fourth rolling twelve months through the fifth rolling twelve months following the latest balance sheet presented. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments. Investments in and Advances to Affiliates [Table] Investments in and Advances to Affiliates [Table] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Entity Tax Identification Number Entity Tax Identification Number Preferred stock dividends Dividends, Preferred Stock Statistical Measurement [Axis] Statistical Measurement [Axis] Fair Value Debt Securities, Trading, and Equity Securities, FV-NI [Abstract] (Gain) loss on debt securities, trading Debt Securities, Trading, Unrealized Gain (Loss) Financial Instrument [Axis] Financial Instrument [Axis] Entity Interactive Data Current Entity Interactive Data Current Accrued interest receivable Interest Receivable Change in derivatives, at fair value Increase (Decrease) in Derivative Assets and Liabilities Schedule of Available-for-sale Securities [Table] Debt Securities, Available-for-Sale [Table] Aggregate Borrowings Borrowings [Member] Common stock repurchased, net Common stock repurchased Payments for common stock repurchased Payments for Repurchase of Common Stock Increase in accrued interest payable- U.S. Treasury Securities sold short Increase (Decrease) In Interest Payable, U.S. Treasury Securities Sold Short Increase (Decrease) In Interest Payable, U.S. Treasury Securities Sold Short Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Number of consolidated claims Loss Contingency, Number of Consolidated Claims Loss Contingency, Number of Consolidated Claims Average haircut (as a percent) Haircut on Repurchase Agreements Haircut on Repurchase Agreements Less than 1 year Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Certain Officers of ARMOUR Certain Officers Of ARMOUR [Member] Certain Officers Of ARMOUR Accumulated net loss Retained Earnings (Accumulated Deficit) Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Changes in interest rate contracts Effective Taxable Income Reconciliation, Changes In Derivatives Effective Taxable Income Reconciliation, Changes In Derivatives Gross Amounts Not Offset, Financial Instruments Derivative Asset, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Number of counterparties Repurchase Agreements, Number Of Counterparties Repurchase Agreements, Number Of Counterparties Principal Amount Debt Securities, Trading, Principal Amount Debt Securities, Trading, Principal Amount Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Other Commitments [Line Items] Other Commitments [Line Items] Number of counterparties with master repurchase agreements Repurchase Agreements, Number of Counterparties with Master Repurchase Agreements Repurchase Agreements, Number of Counterparties with Master Repurchase Agreements Entity Address, State or Province Entity Address, State or Province Counterparty Name [Axis] Counterparty Name [Axis] Derivatives, at Fair Value Derivatives, Policy [Policy Text Block] Reverse Stock Split Reverse Stock Split [Member] Reverse Stock Split Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Net unrealized gain (loss) on available for sale Agency Securities OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Common stock, shares outstanding (in shares) Beginning balance, common (in shares) Ending balance, common (in shares) Common Stock, Shares, Outstanding Principal repayments of Agency Securities Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Management fee waived percentage Related Party Transaction, Management Fee Reduction Related Party Transaction, Management Fee Reduction Gain on derivatives, net Total Gain on Derivatives, net Gain (Loss) on Derivative Instruments, Net, Pretax Cumulative distributions to stockholders Cumulative distributions to stockholders Cumulative Dividends Subordinated loan to BUCKLER Other Receivables Auditor Location Auditor Location Loss on U.S. Treasury Securities Debt Securities, Gain (Loss) Amortization of deferred Treasury Future gains Effective Taxable Income Reconciliation, Amortization Of Deferred Treasury Future Gains Effective Taxable Income Reconciliation, Amortization Of Deferred Treasury Future Gains Preferred stock dividends cash paid (in dollars per share) Preferred Stock, Dividends, Per Share, Cash Paid Reverse repurchase agreements Gross Amounts, Assets Debt Securities, Available For Sale And Trading, Repurchase Securities, Gross Debt Securities, Available For Sale And Trading, Repurchase Securities, Gross Less than 1 year Trading Securities, Debt Maturities, Next Rolling Twelve Months, Amortized Cost Basis Trading Securities, Debt Maturities, Next Rolling Twelve Months, Amortized Cost Basis Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Sale of Stock [Axis] Sale of Stock [Axis] Net cash and cash equivalents and cash collateral posted to counterparties provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Class of Stock [Domain] Class of Stock [Domain] Loans receivable related parties Loans and Leases Receivable, Related Parties Net Income (Loss) available (related) to common stockholders Net Income (loss) available (related) to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Interest rate swap contracts Interest Rate Swap [Member] Weighted Average Maturity in days Repurchase Agreement Counterparty, Weighted Average Maturity of Agreements Comprehensive Loss related to common stockholders Comprehensive Income (Loss), Net Of Tax, Available To Common Stockholders Comprehensive Income (Loss), Net Of Tax, Available To Common Stockholders Unrealized gain (loss) yet to be amortized Derivative Instrument, Unrealized Gain (Loss), Yet To Be Recognized Derivative Instrument, Unrealized Gain (Loss), Yet To Be Recognized Trading securities Trading Securities [Member] Agency Trading Securities [Member] Percentage of gross equity raised used in calculation of management fee up to 1 Billion Related Party Transaction, Management Agreement, Percentage of Gross Equity Raised Used in Calculation of Management Fee up to One Billion Related Party Transaction, Management Agreement, Percentage of Gross Equity Raised Used in Calculation of Management Fee up to One Billion Transactions Case Transactions Case [Member] Transactions Case [Member] Debt securities Debt Securities Total Liabilities Liabilities (Increase) decrease in prepaid and other assets Increase (Decrease) in Prepaid Expense and Other Assets Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Total Debt Securities, Available-for-Sale, Unrealized Loss Position Capital shares reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Measurement Frequency [Domain] Measurement Frequency [Domain] Armour Capital Management Armour Capital Management [Member] Armour Capital Management [Member] Title of Individual [Axis] Title of Individual [Axis] Greater than or equal to 1 year and less than 3 years Trading Securities, Debt Maturities, Rolling Year Two and Three, Amortized Cost Basis Trading Securities, Debt Maturities, Rolling Year Two and Three, Amortized Cost Basis Plan Name [Axis] Plan Name [Axis] Board of Directors Board of Directors [Member] Board of Directors [Member] Related Party Transaction [Domain] Related Party Transaction [Domain] Agency Securities, trading Effective Taxable Income Reconciliation, Trading Securities, Agency Effective Taxable Income Reconciliation, Trading Securities, Agency Debt securities Debt Securities, Available for Sale And Trading, Agency Securities Debt Securities, Available for Sale And Trading, Agency Securities Net Income (Loss) per share available (related) to common stockholders (Note 11): Earnings Per Share [Abstract] Basis of Presentation and Consolidation Basis of Accounting [Text Block] Investments in Securities, at Fair Value Marketable Securities, Policy [Policy Text Block] Affiliated Entity Affiliated Entity [Member] Common stock, $0.001 par value, 90,000 and 60,000 shares authorized; 48,799 shares and 32,582 shares issued and outstanding at December 31, 2023 and December 31, 2022, respectively. Common Stock, Value, Issued Increase (decrease) in cash collateral posted by counterparties Increase (Decrease) Cash Collateral from Counterparties Greater than 7 years Interest Rate Swap, 7 Years [Member] Interest Rate Swap, 7 Years Less than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Purchases of trading securities U.S. Treasury Securities Purchased Payment for Acquisition, Trading Security, Held-for-Investment Capital Loss Carryforward Capital Loss Carryforward [Member] Total Net, Liabilities Debt Securities, Available For Purchase And Trading, Repurchase Securities, Net Debt Securities, Available For Purchase And Trading, Repurchase Securities, Net ACM Limited Liability Company [Member] Preferred Stock Preferred dividends Preferred Stock [Member] Trading securities Fair Value Debt Securities, Trading Agency securities Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] Supplemental Disclosure: Supplemental Cash Flow Information [Abstract] Sale of stock, commission rate (as percent) Sale of Stock, Commission Rate Sale of Stock, Commission Rate Litigation Case [Domain] Litigation Case [Domain] Entity Filer Category Entity Filer Category Automatic renewal period of management agreement Management Agreement, Automatic Renewal Period Management Agreement, Automatic Renewal Period Statement [Table] Statement [Table] Current Fiscal Year End Date Current Fiscal Year End Date Common stock repurchased, net (in shares) Common stock repurchased (in shares) Common stock repurchased (in shares) Stock Repurchased During Period, Shares Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] 2029 Contractual Obligation, To Be Paid, Year Six Contractual Obligation, To Be Paid, Year Six Percentage of concentration risk Concentration Risk, Percentage Gross Unrealized Gain Debt Securities, Trading, Accumulated Gross Unrealized Gain, Before Tax Debt Securities, Trading, Accumulated Gross Unrealized Gain, Before Tax Schedule of Tax Credit Carryforwards Summary of Tax Credit Carryforwards [Table Text Block] Issuance of Series C Preferred stock, net of expenses Issuance of Preferred stock, net of expenses Proceeds from issuance of preferred stock, net Proceeds from Issuance of Preferred Stock and Preference Stock Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized 2024 Contractual Obligation, to be Paid, Year One Greater than or equal to 5 years Available-For-Sale Securities, Debt Maturities, Rolling After Year Five, Fair Value Amount of available-for-sale debt securities at fair value maturing after the fifth rolling twelve months following the latest balance sheet presented. Cash collateral posted by counterparties Cash Collateral Held For Counterparties Cash Collateral Held For Counterparties Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Counterparty Concentration Risk Counterparty Concentration Risk [Member] Counterparty Concentration Risk [Member] Preferred stock, shares outstanding (in shares) Beginning balance, preferred (in shares) Ending balance, preferred (in shares) Preferred Stock, Shares Outstanding Net cash and cash equivalents and cash collateral posted to counterparties provided by operating activities Net Cash Provided by (Used in) Operating Activities Revenue Recognition Revenue Recognition, Interest [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Entities [Table] Entities [Table] Preferred stock, undesignated shares authorized (in shares) Preferred Stock, Undesignated Shares Authorized Preferred Stock, Undesignated Shares Authorized Number of defendants, current directors Loss Contingency, Number of Defendants, Current Directors Loss Contingency, Number of Defendants, Current Directors Gross Amounts Not Offset Cash Collateral, Assets Debt Securities, Available For Sale And Trading, Repurchase Securities, Subject To Master Netting Arrangement, Collateral, Obligation To Return Cash Not Offset Debt Securities, Available For Sale And Trading, Repurchase Securities, Subject To Master Netting Arrangement, Collateral, Obligation To Return Cash Not Offset Other Effective Taxable Income Reconciliation, Other Adjustments Effective Taxable Income Reconciliation, Other Adjustments Armour Management Agreement Armour Management Agreement [Member] Armour Management Agreement [Member] Organization and Nature of Business Operations Nature of Operations [Text Block] Other Operating Other Operating Income (Expense), Net Less than 1 year Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Entity Information [Line Items] Entity Information [Line Items] TBA Agency Securities 30 Year 5.0% TBA Agency Securities 30 Year 5.0% [Member] TBA Agency Securities 30 Year 5.0% Total Stockholders’ Equity Beginning balance Ending balance Equity, Attributable to Parent Receivables and Payables for Unsettled Sales and Purchases Receivables and Payable for Unsettled Sales and Purchases, Policy [Policy Text Block] Receivables and Payable for Unsettled Sales and Purchases, Policy [Policy Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] (Gain) Loss on Security sales Effective Taxable Income Reconciliation, (Gains) Losses On Available-For-Sale Securities Effective Taxable Income Reconciliation, (Gains) Losses On Available-For-Sale Securities > 30 days to ≤ 60 days Maturity 31 To 60 Days [Member] -- None. No documentation exists for this element. -- Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Common stock, additional shares authorized (in shares) Common Stock, Additional Shares Authorized Common Stock, Additional Shares Authorized Subsequent Events [Abstract] Subsequent Events [Abstract] 2026 Contractual Obligation, to be Paid, Year Three Total Other Loss Other Operating Income (Loss) Other Operating Income (Loss) Total Net, Assets Debt Securities, Available For Sale And Trading, Repurchase Securities, Net Debt Securities, Available For Sale And Trading, Repurchase Securities, Net Number of new claims filed Loss Contingency, New Claims Filed, Number Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued BUCKLER Securities, LLC BUCKLER Securities, LLC [Member] BUCKLER Securities, LLC [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Preferred stock, aggregate liquidation preference Preferred Stock, Liquidation Preference, Value Entity Emerging Growth Company Entity Emerging Growth Company Disbursements on reverse repurchase agreements (including $(2,774,490), $(1,958,460) and $(197,750), respectively with BUCKLER) Disbursements on reverse repurchase agreements Payments for Securities Purchased under Agreements to Resell Equity method investments, value Equity Method Investment, Quoted Market Value Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Schedule of Derivative Instruments, Gain (Loss) Derivative Instruments, Gain (Loss) [Table Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Gross Amounts, Liabilities Debt Securities, Available For Purchase And Trading, Repurchase Securities, Gross Debt Securities, Available For Purchase And Trading, Repurchase Securities, Gross Less than 1 year Trading Securities, Debt Maturities, Next Rolling Twelve Months, Fair Value Trading Securities, Debt Maturities, Next Rolling Twelve Months, Fair Value Gross Amounts offset in the Consolidated Balance Sheet, Assets Debt Securities, Available For Sale And Trading, Repurchase Securities, Gross Amounts Offset In The Consolidated Balance Sheet Debt Securities, Available For Sale And Trading, Repurchase Securities, Gross Amounts Offset In The Consolidated Balance Sheet Document Fiscal Period Focus Document Fiscal Period Focus Other Expenses Reimbursed Other Expenses Reimbursed [Member] Other Expenses Reimbursed Required Regulatory Capital Requirement of Related Party Required Regulatory Capital Requirement of Related Party [Member] Required Regulatory Capital Requirement of Related Party [Member] Repurchase agreements, carrying amount Balance Assets Sold under Agreements to Repurchase, Carrying Amount TBA Agency Securities TBA Agency Securities [Member] TBA Agency Securities [Member] Stock based compensation Share-Based Payment Arrangement, Noncash Expense Preferred C ATM Sales Agreement Preferred C At The Market Sales Agreement [Member] Preferred C At The Market Sales Agreement [Member] Common Stock Common Stock [Member] Weighted average common shares outstanding: Weighted average common shares outstanding: [Abstract] -- None. No documentation exists for this element. -- City Area Code City Area Code Entity Address, Postal Zip Code Entity Address, Postal Zip Code Net Income (Loss) per Common Share Comprehensive Income (Loss) per Common Share Earnings Per Share [Text Block] Corporate Joint Venture Corporate Joint Venture [Member] Ownership percentage Equity Method Investment, Ownership Percentage Document Fiscal Year Focus Document Fiscal Year Focus Common Stock Repurchase Program Common Stock Repurchase Program [Member] Common Stock Repurchase Program Trading securities, number of dealers Trading Securities, Quotes Received, Number of Dealers Trading Securities, Quotes Received, Number of Dealers Accounts payable and other accrued expenses Accounts Payable and Other Accrued Liabilities Minimum Minimum [Member] Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Proceeds from subordinated loan due to BUCKLER Proceeds From Subordinated Loan Due From Investment Proceeds From Subordinated Loan Due From Investment Common stock dividends cash paid (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Cleared interest rate swap contracts Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Total Expenses after fees waived Expenses, After Fees Waived Expenses, After Fees Waived Assets Assets [Abstract] Payable for unsettled purchases Noncash Investing and Financing Activities, Payables to Broker-Dealers And Clearing Organizations Noncash Investing and Financing Activities, Payables to Broker-Dealers And Clearing Organizations Cash Flows From Financing Activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Reclassification adjustment for impairment losses on available for sale Agency Securities Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Net of Tax Liabilities: Liabilities [Abstract] US Treasury Securities US Treasury Securities US Treasury Securities [Member] Net cash and cash equivalents and cash collateral posted to counterparties provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Accumulated Net Loss Retained Earnings [Member] Percent of dividends that represent nontaxable return of capital Dividends, Percent of Dividends that Represent Nontaxable Return of Capital Dividends, Percent of Dividends that Represent Nontaxable Return of Capital Interest Income: Interest Income (Expense), Net [Abstract] Total Liabilities and Stockholders’ Equity Liabilities and Equity Totals Debt Securities, Available-for-Sale, Amortized Cost Impairment losses on available for sale Agency Securities Effective Taxable Income Reconciliation, Impairment Losses On Available For Sale Agency Securities Effective Taxable Income Reconciliation, Impairment Losses On Available For Sale Agency Securities Basic (in dollars per share) Earnings Per Share, Basic Amortization of deferred hedging costs Effective Taxable Income Reconciliation, Amortization Of Financing Costs And Discounts Effective Taxable Income Reconciliation, Amortization Of Financing Costs And Discounts Other Income (Loss): Other Operating Income Loss [Abstract] Other Operating Income Loss [Abstract] Accounting Policies [Abstract] Accounting Policies [Abstract] Proceeds from repurchase agreements (including $69,806,936, $47,627,748 and $18,442,875, respectively with BUCKLER) Proceeds from repurchase agreements Proceeds From Securities Sold Under Agreements To Repurchase Proceeds From Securities Sold Under Agreements To Repurchase Sale of Stock [Domain] Sale of Stock [Domain] Amortization (accretion) Accretion (Amortization) of Discounts and Premiums, Investments, Trading Accretion (Amortization) of Discounts and Premiums, Investments, Trading Schedule of Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Required annual reduction in share of gross financing profit Joint Venture, Required Annual Reduction In Share Of Gross Financing Profit Joint Venture, Required Annual Reduction In Share Of Gross Financing Profit Greater than or equal to 5 years Available-For-Sale Securities, Debt Maturities, Rolling After Year Five, Amortized Cost Basis Amount of available-for-sale debt securities at cost, net of adjustments, maturing after the fifth rolling twelve months following the latest balance sheet presented. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments. Entity Address, City or Town Entity Address, City or Town Related Party Related Party [Member] Increase (decrease) in accrued interest payable- repurchase agreements Increase (Decrease) In Interest Payable, Securities Sold Under Agreements To Repurchase Increase (Decrease) In Interest Payable, Securities Sold Under Agreements To Repurchase Fair Value Debt Securities, Available-for-Sale, Unrealized Gain (Loss) [Abstract] Investments in and Advances to Affiliates [Line Items] Investments in and Advances to Affiliates [Line Items] Cash Flows From Investing Activities: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Document Transition Report Document Transition Report Common stock, shares authorized (in shares) Common Stock, Shares Authorized DRIP shares issued Stock Issued During Period, Value, Dividend Reinvestment Plan Agency Securities Totals Debt Securities, Available-for-Sale Gross Amounts Not Offset Financial Instruments, Assets Debt Securities, Available For Sale And Trading, Repurchase Securities, Subject To Master Netting Arrangement, Deduction Of Financial Instrument Not Offset Debt Securities, Available For Sale And Trading, Repurchase Securities, Subject To Master Netting Arrangement, Deduction Of Financial Instrument Not Offset Obligations to return securities received as collateral, at fair value (including $0 and $100,531 with BUCKLER respectively Obligations to return securities received as collateral Obligation to Return Securities Received as Collateral Entity Public Float Entity Public Float Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Less than 3 years Interest Rate Swap, Less Than 3 Years [Member] Interest Rate Swap, Less Than 3 Years [Member] Unrealized Losses Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Derivative Instrument [Axis] Derivative Instrument [Axis] Adjustments to reconcile net income (loss) to net cash and cash equivalents and cash collateral posted to counterparties provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Derivative [Line Items] Derivative [Line Items] Number of counterparties with repurchase agreements outstanding Repurchase Agreements, Number Of Counterparties with Outstanding Borrowings Repurchase Agreements, Number Of Counterparties with Outstanding Borrowings Percent of outstanding shares intended to be redeemed Sale of Stock, Percent of Outstanding Shares Intended to be Redeemed Sale of Stock, Percent of Outstanding Shares Intended to be Redeemed Preferred C ATM Sales Agreement Preferred C ATM Sales Agreement [Member] Preferred C ATM Sales Agreement Title of Individual [Domain] Title of Individual [Domain] Stockholders' Equity Stockholders' Equity, Total [Member] Conversion ratio of reverse stock split Stockholders' Equity Note, Stock Split, Conversion Ratio Greater than or equal to 3 years and less than 5 years Available-For-Sale Securities, Debt Maturities, Rolling Year Four Through Five, Fair Value Amount of available-for-sale debt securities at fair value maturing in the fourth rolling twelve months through the fifth rolling twelve months following the latest balance sheet presented. Greater than or equal to 1 year and less than 3 years Available-For-Sale Securities, Debt Maturities, Rolling Year Two Through Three, Fair Value Available-For-Sale Securities, Debt Maturities, Rolling Year Two Through Three, Fair Value Gross Amounts Not Offset, Cash Collateral Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Greater than or equal to 3 years and less than 5 years Trading Securities, Debt Maturities, Rolling Year Four and Five, Fair Value Trading Securities, Debt Maturities, Rolling Year Four and Five, Fair Value Additional paid-in capital Additional Paid in Capital Derivatives, at fair value Gross Amounts Derivative Asset Subsequent Event Type [Axis] Subsequent Event Type [Axis] Greater than or equal to 1 year and less than 3 years Trading Securities, Debt Maturities, Rolling Year Two and Three, Fair Value Trading Securities, Debt Maturities, Rolling Year Two and Three, Fair Value Weighted Average Remaining Term (Months) Derivative, Average Remaining Maturity Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] Weighted Average Rate Derivative Weighted Average Interest Rate Derivative Weighted Average Interest Rate Derivative liability, centrally-cleared Derivative Liability, Centrally-Cleared Derivative Liability, Centrally-Cleared Greater than or equal to 5 years and less than 7 years Interest Rate Swap, Between 5 and 7 Years [Member] Interest Rate Swap, Between 5 and 7 Years [Member] Remaining shares authorized to be repurchased (in shares) Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased Totals Trading Securities, Debt Maturities, Fair Value Trading Securities, Debt Maturities, Fair Value Greater than or equal to 5 years Trading Securities, Debt Maturities, Rolling After Year Five, Fair Value Trading Securities, Debt Maturities, Rolling After Year Five, Fair Value Related Party [Axis] Related Party, Type [Axis] Impairment losses on available for sale Agency Securities Impairment losses on available for sale Agency Securities Debt Securities, Available-for-Sale, Allowance for Credit Loss, Not Previously Recorded Stock based compensation, net of withholding requirements (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Amortized Cost Debt Securities, Trading, and Equity Securities, FV-NI, Cost [Abstract] Entity Registrant Name Entity Registrant Name Add: Effect of dilutive non-vested awards, assumed vested (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Auditor Name Auditor Name Document Period End Date Document Period End Date Aggregate tax basis of stockholders' equity in excess of assets and liabilities Aggregate Tax Basis Stockholders' Equity in Excess of Assets and Liabilities Aggregate Tax Basis Stockholders' Equity in Excess of Assets and Liabilities Preferred stock, dividend rate (as percent) Preferred Stock, Dividend Rate, Percentage Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Proceeds from divestiture of interest in joint venture Proceeds from Divestiture of Interest in Joint Venture Entity Central Index Key Entity Central Index Key Liabilities at Fair Value: Liabilities, Fair Value Disclosure [Abstract] Stock-based compensation expense Share-Based Payment Arrangement, Expense Weighted average maturity (in days) Concentration Risk, Weighted Average Maturity Concentration Risk, Weighted Average Maturity 2023 Common stock ATM Sales Agreement 2023 Common Stock ATM Sales Agreement [Member] 2023 Common Stock ATM Sales Agreement Fee waiver adjustment, first quarter Fee Waiver Adjustment, First Quarter Fee Waiver Adjustment, First Quarter Fee waiver adjustment, every month thereafter Fee Waiver Adjustment, Every Month Thereafter Fee Waiver Adjustment, Every Month Thereafter Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Gross Amounts offset in the Consolidated Balance Sheet, Liabilities Debt Securities, Available For Purchase And Trading, Repurchase Securities, Gross Amounts Offset In The Consolidated Balance Sheet Debt Securities, Available For Purchase And Trading, Repurchase Securities, Gross Amounts Offset In The Consolidated Balance Sheet Gross Amounts Not Offset Cash Collateral, Liabilities Debt Securities, Available For Purchase And Trading, Repurchase Securities, Subject To Master Netting Arrangement, Collateral, Obligation To Return Cash Not Offset Debt Securities, Available For Purchase And Trading, Repurchase Securities, Subject To Master Netting Arrangement, Collateral, Obligation To Return Cash Not Offset Other Comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Greater than or equal to 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Issuance of stock, net Proceeds from issuance of common stock Stock Issued During Period, Value, New Issues Equity [Abstract] Equity [Abstract] 2027 Contractual Obligation, to be Paid, Year Four Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Reclassification adjustment for realized (gain) loss on sale of available for sale Agency Securities Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Dividends on preferred stock Dividends on preferred stock Less: Preferred dividends Preferred Stock Dividends, Income Statement Impact Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Amendment Flag Amendment Flag Offsetting Liabilities [Table] Offsetting Liabilities [Table] TRS (income) loss Effective Taxable Income Reconciliation, Reversal of Income Effective Taxable Income Reconciliation, Reversal of Income Tax credit carryforward Tax Credit Carryforward, Amount Less than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Cash paid during the year for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Net Interest Income Interest Income (Expense), Net Compensation cost not yet recognized, year one Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Year One Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Year One Assets at Fair Value: Assets, Fair Value Disclosure [Abstract] Collateral posted on repurchase agreements Repurchase Agreements, Collateral Pledged Repurchase Agreements, Collateral Pledged Schedule of Repurchase Agreements Schedule of Repurchase Agreements [Table Text Block] Basis spread Debt Instrument, Basis Spread on Variable Rate Diluted (in shares) Weighted average common shares outstanding – diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Realized gain (loss) on sale of available for sale Agency Securities (reclassified from Other comprehensive loss) Realized (gain) loss on sale of Agency Securities, available for sale Realized gain (loss) on sale of available for sale agency securities Debt Securities, Available-for-Sale, Realized Gain (Loss) Accrued Interest Receivable and Payable Accrued Interest Receivable and Payable, Policy [Policy Text Block] Disclosure of accounting policy for accrued interest receivable and payable. Expenses: Operating Expenses [Abstract] Total Net Derivative Asset, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election Additional Paid-in Capital Additional Paid-in Capital [Member] Document Annual Report Document Annual Report Net amortization of premium on Agency Securities Accretion (Amortization) of Discounts and Premiums, Investments, Available-for-Sale Accretion (Amortization) of Discounts and Premiums, Investments, Available-for-Sale Compensation cost not yet recognized, year two Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Year Two Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Year Two Total Assets Assets Cover [Abstract] Cover [Abstract] Greater than or equal to 1 year and less than 3 years Available-For-Sale Securities, Debt Maturities, Rolling Year Two Through Three, Amortized Cost Basis Available-For-Sale Securities, Debt Maturities, Rolling Year Two Through Three, Amortized Cost Basis Subsequent Events Subsequent Events [Text Block] Common stock repurchased Common Stock At The Market Sale Agreement [Member] Common Stock At The Market Sale Agreement [Member] Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] Fair Value, Measurements, Recurring Fair Value, Recurring [Member] Compensation Labor and Related Expense Pledged securities Debt Securities, Available For Sale And Trading, Agency Securities, Pledged Financial Instruments Debt Securities, Available For Sale And Trading, Agency Securities, Pledged Financial Instruments Payment of dividends Payments of Dividends Compensation cost not yet recognized, thereafter Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Thereafter Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Thereafter Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Total Expenses Operating Expenses Totals Trading Securities, Debt Maturities, Amortized Cost Basis Trading Securities, Debt Maturities, Amortized Cost Basis Basic (in dollars per share) Comprehensive Income (Loss) Available To Common Stockholders, Per Share, Basic Comprehensive Income (Loss) Available To Common Stockholders, Per Share, Basic Disclosure of Repurchase Agreements [Abstract] Disclosure of Repurchase Agreements [Abstract] Equity Component [Domain] Equity Component [Domain] Cash Collateral Posted To/By Counterparties Cash Collateral Posted/(Held) from Counterparties, Policy [Policy Text Block] Cash Collateral Posted/(Held) from Counterparties, Policy [Policy Text Block] Schedule of Offsetting Assets Offsetting Assets [Table Text Block] Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Rolling Maturity [Abstract] Total Contractual Obligation Net operating loss carryforwards available for use indefinitely Deferred Tax Assets, Operating Loss Carryforwards Basic (in shares) Weighted average common shares outstanding – basic (in shares) Weighted Average Number of Shares Outstanding, Basic Entity Current Reporting Status Entity Current Reporting Status Offsetting Assets [Line Items] Offsetting Assets [Line Items] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Futures contracts Eurodollar Future [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Agency Securities Agency Securities [Member] ≤ 30 days Maturity Less than 30 Days [Member] Dividend Reinvestment Program, Per Share Price Dividend Reinvestment Program, Per Share Price Dividend Reinvestment Program, Per Share Price Unissued preferred stock (in shares) Preferred Stock, Shares Subscribed but Unissued 2025 Contractual Obligation, to be Paid, Year Two Interest expense (including $245,846, $59,807 and $3,504, respectively with BUCKLER) Interest expense Interest Expense, Securities Sold under Agreements to Repurchase Series C Preferred Stock Series C Preferred Stock [Member] Prepaid and other Prepaid Expense and Other Assets Related Party Transaction [Axis] Related Party Transaction [Axis] Cash Flows From Operating Activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Statement [Line Items] Statement [Line Items] Concentration Risk [Table] Concentration Risk [Table] Obligations to Return Securities Received as Collateral, at Fair Value Derivatives, Offsetting Fair Value Amounts, Policy [Policy Text Block] Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Collateralized Mortgage-Backed Securities Collateralized Mortgage-Backed Securities [Member] Schedule of Available-for-sale Securities in an Unrealized Gain or Loss Position Debt Securities, Available-for-Sale [Table Text Block] Stock repurchase program, number of shares authorized to be repurchased( in shares) Stock Repurchase Program, Number of Shares Authorized to be Repurchased Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis]