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Fee Waiver Adjustment, First Quarter

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Related Party Transaction, Management Fee Reduction

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

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Amount of cash inflow from related parties which reduce the amount of loans and leases receivable due from related parties.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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The cash inflow from the sale of an investment interest in a joint venture that the reporting entity has not previously accounted for using consolidation or the equity method of accounting.

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Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Related Party Transactions - Additional Information (Details) shares in Thousands, $ in Thousands		1 Months Ended	3 Months Ended	12 Months Ended
	Feb. 22, 2021 USD ($)	Mar. 31, 2017 USD ($)	Jun. 30, 2020	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Mar. 31, 2022 USD ($)	Oct. 25, 2021 USD ($)	Jul. 01, 2021 USD ($)	Apr. 20, 2021 USD ($)	Apr. 01, 2021 USD ($)	Mar. 31, 2021 USD ($)	Mar. 17, 2019 loan
Related Party Transaction [Line Items]
Fee waiver adjustment, first quarter										$ 2,100		$ 2,400
Fee waiver adjustment, every month thereafter								$ 650	$ 700		$ 800
Management fees				$ 31,108	$ 29,628	$ 29,571
Number of loans \| loan													1
Series B Preferred Stock
Related Party Transaction [Line Items]
Issuance of Preferred stock, net of expenses				0	0	44,289
2021 Common stock ATM Sales Agreement \| Series B Preferred Stock
Related Party Transaction [Line Items]
Payments of stock issuance costs				$ 2,277
Common Stock \| 2021 Common stock ATM Sales Agreement
Related Party Transaction [Line Items]
Preferred stock issued (in shares) \| shares				17,915
Issuance of Preferred stock, net of expenses				$ 199,444
BUCKLER Securities, LLC \| February 15, 2019, Common Stock ATM Sales Agreement \| Series B Preferred Stock
Related Party Transaction [Line Items]
Payments of stock issuance costs				702
BUCKLER Securities, LLC \| 2021 Common stock ATM Sales Agreement \| Series B Preferred Stock
Related Party Transaction [Line Items]
Payments of stock issuance costs				$ 1,801
BUCKLER Securities, LLC \| Common Stock \| February 15, 2019, Common Stock ATM Sales Agreement
Related Party Transaction [Line Items]
Preferred stock issued (in shares) \| shares				4,818
Issuance of Preferred stock, net of expenses				$ 58,374
BUCKLER Securities, LLC \| Common Stock \| 2021 Common stock ATM Sales Agreement
Related Party Transaction [Line Items]
Preferred stock issued (in shares) \| shares				16,215
Issuance of Preferred stock, net of expenses				$ 180,855
ARRM
Related Party Transaction [Line Items]
Period of written notice of termination				180 days
Management fee waived percentage			40.00%
Management fees				$ 31,063	29,580	29,513
ARRM \| Armour Management Agreement
Related Party Transaction [Line Items]
Automatic renewal period of management agreement				5 years
ARRM \| Other Expense
Related Party Transaction [Line Items]
Management fees				$ 189	157	114
ARRM \| Stock Based Compensation Expense
Related Party Transaction [Line Items]
Management fees				$ 781	515	348
Corporate Joint Venture \| BUCKLER Securities, LLC
Related Party Transaction [Line Items]
Ownership percentage		10.00%
Corporate Joint Venture \| BUCKLER Securities, LLC
Related Party Transaction [Line Items]
Payments to acquire equity method investments		$ 352
Ownership percentage				10.00%
Equity method investments, value				$ 606	634
Proceeds from divestiture of interest in joint venture				0	1,408
Corporate Joint Venture \| BUCKLER Securities, LLC \| Forecast
Related Party Transaction [Line Items]
Required annual reduction in share of gross financing profit							$ 306
Corporate Joint Venture \| Required Regulatory Capital Requirement of Related Party \| BUCKLER Securities, LLC
Related Party Transaction [Line Items]
Loans receivable related parties				$ 105,000
Related party transaction, rate				0.00%
Related parties loans, proceeds				$ 70	$ 333	$ 1,886
Corporate Joint Venture \| Uncommitted Revolving Credit Facility and Security Agreement
Related Party Transaction [Line Items]
Maximum lending capacity	$ 50,000
Basis spread	2.00%