CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) - USD ($)	3 Months Ended	6 Months Ended
Mar. 31, 2023	Jun. 30, 2022	Dec. 31, 2022
Allowance for credit losses	$ 10,251,000		$ 7,188,000
Stockholders' Equity:
Preferred stock, par value (usd per share)	$ 0.01		$ 0.01
Preferred stock, shares authorized (shares)	100,000,000		100,000,000
Common stock, par value (usd per share)	$ 0.01		$ 0.01
Common stock, shares authorized (shares)	500,000,000		500,000,000
Common stock, shares issued (shares)	232,093,167		231,824,192
Common stock, shares outstanding (shares)	232,093,167		231,824,192
Series A Preferred Stock
Stockholders' Equity:
Preferred stock, dividend rate (percent)	8.00%	8.00%
Preferred stock, shares issued (shares)	5,800,000		5,800,000
Preferred stock, shares outstanding (shares)	5,800,000		5,800,000
Preferred Stock, liquidation preference	$ 145,000		$ 145,000
Series B Preferred Stock
Stockholders' Equity:
Preferred stock, dividend rate (percent)	8.00%	8.00%
Preferred stock, shares issued (shares)	13,000,000		13,000,000
Preferred stock, shares outstanding (shares)	13,000,000		13,000,000
Preferred Stock, liquidation preference	$ 325,000		$ 325,000
Series C Preferred Stock
Stockholders' Equity:
Preferred stock, dividend rate (percent)	7.75%	7.75%
Preferred stock, shares issued (shares)	10,400,000		10,400,000
Preferred stock, shares outstanding (shares)	10,400,000		10,400,000
Preferred Stock, liquidation preference	$ 260,000		$ 260,000
Series D Preferred Stock
Stockholders' Equity:
Preferred stock, dividend rate (percent)	8.00%	8.00%
Preferred stock, shares issued (shares)	8,000,000		8,000,000
Preferred stock, shares outstanding (shares)	8,000,000		8,000,000
Preferred Stock, liquidation preference	$ 200,000		$ 200,000
Non-Agency RMBS
Allowance for credit losses	10,000,000		7,000,000
Non-Agency RMBS \| Variable Interest Entities, Primary Beneficiary
Allowance for credit losses	3,000,000		2,000,000
Non-Agency RMBS \| Asset Pledged as Collateral \| Securitized Loans
Liabilities:
MBS pledged as collateral at fair value on Secured financing agreements	271,000,000		276,000,000
Residential Mortgage-Backed Securities
Liabilities:
MBS pledged as collateral at fair value on Secured financing agreements	371,000,000		374,000,000
Residential Mortgage-Backed Securities \| Asset Pledged as Collateral
Liabilities:
MBS pledged as collateral at fair value on Secured financing agreements	4,500,000,000		4,700,000,000
Loans Held for Investment at Fair Value \| Asset Pledged as Collateral \| Securitized Loans
Liabilities:
MBS pledged as collateral at fair value on Secured financing agreements	$ 10,700,000,000		$ 10,000,000,000.0

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