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Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount of increase (decrease) of investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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

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Aggregate dividends paid during the period for each share of preferred stock outstanding.

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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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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands																													2 Months Ended	12 Months Ended
	Mar. 28, 2022	Feb. 28, 2022	Jan. 28, 2022	Jan. 27, 2022	Jan. 19, 2022	Dec. 27, 2021	Nov. 29, 2021	Oct. 27, 2021	Sep. 27, 2021	Aug. 27, 2021	Jul. 27, 2021	Jun. 28, 2021	May 27, 2021	Apr. 27, 2021	Mar. 29, 2021	Feb. 26, 2021	Jan. 27, 2021	Dec. 28, 2020	Nov. 27, 2020	Oct. 27, 2020	Sep. 28, 2020	Aug. 27, 2020	Jul. 27, 2020	Jun. 29, 2020	May 27, 2020	Apr. 27, 2020	Mar. 27, 2020	Feb. 27, 2020	Feb. 15, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Subsequent Event [Line Items]
Aggregate amount paid to holders of record																														$ 96,630	$ 75,486	$ 124,477
Proceeds from issuance of common stock																														$ 328,780	$ 54,575	$ 321,860
Dividends declared per common share (in dollars per share)																														$ 1.20	$ 1.20	$ 2.16
Forecast
Subsequent Event [Line Items]
Dividends declared per common share (in dollars per share)		$ 0.10
Subsequent Event
Subsequent Event [Line Items]
Common stock dividends cash paid (in dollars per share)			$ 0.10
Aggregate amount paid to holders of record			$ 9,654	$ 998
Subsequent Event \| Credit Risk and Non-Agency Securities
Subsequent Event [Line Items]
Increase (decrease) in aggregate portfolio																													$ (2,900,000)
Subsequent Event \| US Treasury Securities
Subsequent Event [Line Items]
Increase (decrease) in aggregate portfolio																													$ 1,600,000
Series C Preferred Stock
Subsequent Event [Line Items]
Preferred stock dividends cash paid (in dollars per share)						$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583	$ 0.14583
Proceeds from issuance of common stock																														$ 36,585	$ 130,138
Series C Preferred Stock \| Subsequent Event
Subsequent Event [Line Items]
Preferred stock dividends cash paid (in dollars per share)				$ 0.14583
Preferred stock issued (in shares)					1,853
Proceeds from issuance of common stock					$ 18,261
Payments of stock issuance costs					$ 195
Series C Preferred Stock \| Subsequent Event \| Forecast
Subsequent Event [Line Items]
Preferred stock dividends cash paid (in dollars per share)	$ 0.14583	$ 0.14583