Financial Derivatives (TBAs) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Derivative [Line Items]
Financial derivatives–assets, at fair value-	$ 160,043	$ 18,894
Derivative Liability	50,418	12,298
Derivative Assets (Liabilities), at Fair Value, Net	109,625	6,596
TBA securities
Derivative [Line Items]
Notional Amount	684,091	640,159
Derivative, Cost Basis	(648,584)	(679,526)
Market Value Underlying	(620,266)	(679,206)
Derivative Assets (Liabilities), at Fair Value, Net	28,318	320
TBA securities | Long
Derivative [Line Items]
Notional Amount	57,507	273,223
Derivative, Cost Basis	54,452	272,587
Market Value Underlying	53,723	272,974
Derivative Assets (Liabilities), at Fair Value, Net	(729)	387
TBA securities | Short
Derivative [Line Items]
Notional Amount	741,598	913,382
Derivative, Cost Basis	(703,036)	(952,113)
Market Value Underlying	(673,989)	(952,180)
Derivative Assets (Liabilities), at Fair Value, Net	29,047	(67)
Financial Derivatives - Assets | TBA securities | Long
Derivative [Line Items]
Notional Amount	15,000	196,723
Derivative, Cost Basis	15,089	196,119
Market Value Underlying	15,149	196,641
Financial derivatives–assets, at fair value-	60	522
Financial Derivatives - Assets | TBA securities | Short
Derivative [Line Items]
Notional Amount	737,295	416,168
Derivative, Cost Basis	(698,855)	(439,438)
Market Value Underlying	(669,799)	(438,731)
Financial derivatives–assets, at fair value-	29,056	707
Financial Derivatives - Liabilities | TBA securities | Long
Derivative [Line Items]
Notional Amount	42,507	76,500
Derivative, Cost Basis	39,363	76,468
Market Value Underlying	38,574	76,333
Derivative Liability	(789)	(135)
Financial Derivatives - Liabilities | TBA securities | Short
Derivative [Line Items]
Notional Amount	4,303	497,214
Derivative, Cost Basis	(4,181)	(512,675)
Market Value Underlying	(4,190)	(513,449)
Derivative Liability	$ (9)	$ (774)