Schedule of Mortgage-Backed Securities by Weighted Average Life (Details) - USD ($) $ in Thousands		Dec. 31, 2022	Dec. 31, 2021
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)	[1]	$ 893,301	$ 1,311,361
Non-Agency RMBS [Member]
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)		20,704	11,854
Amortized Cost		$ 18,703	$ 9,918
Weighted Average Coupon Rate, Percent		0.36%	0.30%
Less than three years [Member] | Non-Agency RMBS [Member]
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)		$ 2,099	$ 561
Amortized Cost		$ 2,092	$ 457
Weighted Average Coupon Rate, Percent		5.67%	6.00%
Greater than three years and less than seven years [Member] | Non-Agency RMBS [Member]
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)		$ 1,889	$ 1,773
Amortized Cost		$ 1,763	$ 1,571
Weighted Average Coupon Rate, Percent		4.67%	0.35%
Greater than seven years and less than eleven years [Member] | Non-Agency RMBS [Member]
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)		$ 16,049	$ 9,520
Amortized Cost		$ 14,848	$ 7,890
Weighted Average Coupon Rate, Percent		0.32%	0.25%
Greater than eleven years [Member] | Non-Agency RMBS [Member]
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)		$ 667	$ 0
Amortized Cost		$ 0	$ 0
Weighted Average Coupon Rate, Percent		4.71%	0.00%
Fixed Rate [Member] | Agency RMBS [Member]
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)		$ 863,284	$ 1,289,218
Amortized Cost		$ 938,829	$ 1,283,343
Weighted Average Coupon Rate, Percent		3.63%	2.99%
Fixed Rate [Member] | Less than three years [Member] | Agency RMBS [Member]
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)		$ 17,005	$ 28,443
Amortized Cost		$ 17,868	$ 28,273
Weighted Average Coupon Rate, Percent		3.80%	3.75%
Fixed Rate [Member] | Greater than three years and less than seven years [Member] | Agency RMBS [Member]
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)		$ 204,858	$ 724,996
Amortized Cost		$ 221,291	$ 718,318
Weighted Average Coupon Rate, Percent		4.10%	3.53%
Fixed Rate [Member] | Greater than seven years and less than eleven years [Member] | Agency RMBS [Member]
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)		$ 640,207	$ 280,147
Amortized Cost		$ 698,391	$ 281,786
Weighted Average Coupon Rate, Percent		3.48%	2.50%
Fixed Rate [Member] | Greater than eleven years [Member] | Agency RMBS [Member]
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)		$ 1,214	$ 255,632
Amortized Cost		$ 1,279	$ 254,966
Weighted Average Coupon Rate, Percent		4.50%	2.00%
Interest-Only [Member] | Agency RMBS [Member]
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)		$ 9,313	$ 10,289
Amortized Cost		$ 9,212	$ 12,983
Weighted Average Coupon Rate, Percent		3.89%	3.36%
Interest-Only [Member] | Non-Agency RMBS [Member]
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)		$ 8,138	$ 2,798
Amortized Cost		$ 6,289	$ 2,684
Weighted Average Coupon Rate, Percent		0.24%	0.27%
Interest-Only [Member] | Less than three years [Member] | Agency RMBS [Member]
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)		$ 797	$ 1,628
Amortized Cost		$ 882	$ 2,027
Weighted Average Coupon Rate, Percent		4.03%	2.10%
Interest-Only [Member] | Greater than three years and less than seven years [Member] | Agency RMBS [Member]
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)		$ 3,937	$ 7,820
Amortized Cost		$ 3,827	$ 10,095
Weighted Average Coupon Rate, Percent		4.13%	4.38%
Interest-Only [Member] | Greater than seven years and less than eleven years [Member] | Agency RMBS [Member]
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)		$ 4,579	$ 841
Amortized Cost		$ 4,503	$ 861
Weighted Average Coupon Rate, Percent		3.61%	2.39%
Interest-Only [Member] | Greater than eleven years [Member] | Agency RMBS [Member]
Mortgage-Backed Securities [Line Items]
Mortgage-backed securities, at fair value(1)		$ 0	$ 0
Amortized Cost		$ 0	$ 0
Weighted Average Coupon Rate, Percent		0.00%	0.00%

[1] Includes assets pledged as collateral to counterparties. See Note 6 for additional details on the Company's borrowings and related collateral.