Derivative Instruments, Information of TBA Derivatives (Details) - Notional Amount of TBAs, Net [Member] - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
TBA Derivatives [Abstract]
Notional	$ 376,600	$ 306,100
Implied Cost Basis	(345,085)	(289,809)
Implied Market Value	(357,252)	(285,593)
Net Carrying Value	(12,167)	4,215
Purchase Contracts [Member]
TBA Derivatives [Abstract]
Notional	368,300	518,300
Implied Cost Basis	357,472	506,245
Implied Market Value	360,821	501,682
Net Carrying Value	3,350	(4,563)
Sale Contracts [Member]
TBA Derivatives [Abstract]
Notional	744,900	824,400
Implied Cost Basis	(702,557)	(796,054)
Implied Market Value	(718,073)	(787,275)
Net Carrying Value	$ (15,517)	$ 8,778