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Derivative Instruments - Schedule of Components of Realized and Unrealized Gains and Losses (Details) - Trading - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Realized Gains (Losses)	$ 9,295	$ 9,962	$ 33,771	$ 14,139
Unrealized Gains (Losses)	(36,261)	5,509	(107,539)	50,543
Interest rate caps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Realized Gains (Losses)	0	0	0	0
Unrealized Gains (Losses)	61	446	46	3,253
Options
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Realized Gains (Losses)	2,642	(1,279)	2,642	(1,490)
Unrealized Gains (Losses)	(2,690)	516	0	7
TBAs
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Realized Gains (Losses)	(4)	0	(4)	0
Unrealized Gains (Losses)	105	0	105	0
Interest rate swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Realized Gains (Losses)	5,080	12,196	31,415	17,426
Unrealized Gains (Losses)	(26,665)	4,142	(100,603)	47,851
Credit default swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Realized Gains (Losses)	(1,214)	(1,022)	(2,214)	(2,033)
Unrealized Gains (Losses)	(1,998)	693	(752)	(303)
U.S. Treasury futures
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Realized Gains (Losses)	2,791	67	1,932	236
Unrealized Gains (Losses)	$ (5,074)	$ (288)	$ (6,335)	$ (265)

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The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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