Financial Derivatives (TBAs) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Derivative [Line Items]
Financial derivatives–assets, at fair value-	$ 81,183	$ 18,894
Derivative Liability	20,442	12,298
Derivative Assets (Liabilities), at Fair Value, Net	60,741	6,596
TBA securities
Derivative [Line Items]
Notional Amount	561,060	640,159
Derivative, Cost Basis	(520,012)	(679,526)
Market Value Underlying	(519,621)	(679,206)
Derivative Assets (Liabilities), at Fair Value, Net	391	320
TBA securities | Long
Derivative [Line Items]
Notional Amount	51,277	273,223
Derivative, Cost Basis	50,491	272,587
Market Value Underlying	50,620	272,974
Derivative Assets (Liabilities), at Fair Value, Net	129	387
TBA securities | Short
Derivative [Line Items]
Notional Amount	612,337	913,382
Derivative, Cost Basis	(570,503)	(952,113)
Market Value Underlying	(570,241)	(952,180)
Derivative Assets (Liabilities), at Fair Value, Net	262	(67)
Financial Derivatives - Assets | TBA securities | Long
Derivative [Line Items]
Notional Amount	30,500	196,723
Derivative, Cost Basis	30,142	196,119
Market Value Underlying	30,362	196,641
Financial derivatives–assets, at fair value-	220	522
Financial Derivatives - Assets | TBA securities | Short
Derivative [Line Items]
Notional Amount	371,904	416,168
Derivative, Cost Basis	(343,316)	(439,438)
Market Value Underlying	(340,367)	(438,731)
Financial derivatives–assets, at fair value-	2,949	707
Financial Derivatives - Liabilities | TBA securities | Long
Derivative [Line Items]
Notional Amount	20,777	76,500
Derivative, Cost Basis	20,349	76,468
Market Value Underlying	20,258	76,333
Derivative Liability	(91)	(135)
Financial Derivatives - Liabilities | TBA securities | Short
Derivative [Line Items]
Notional Amount	240,433	497,214
Derivative, Cost Basis	(227,187)	(512,675)
Market Value Underlying	(229,874)	(513,449)
Derivative Liability	$ (2,687)	$ (774)