Trading Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Schedule of Trading Securities [Line Items]
Trading securities	$ 4,899,090	$ 5,193,505
Trading Securities, Net Unrealized Gain (Loss)	(38,032)	98,635
U.S. government securities [Member]
Schedule of Trading Securities [Line Items]
Trading securities	21,275	10,959
Trading Securities, Net Unrealized Gain (Loss)	(60)	28
Residential agency mortgage-backed securities [Member]
Schedule of Trading Securities [Line Items]
Trading securities	4,792,695	5,105,137
Trading Securities, Net Unrealized Gain (Loss)	(37,439)	98,124
Municipal securities [Member]
Schedule of Trading Securities [Line Items]
Trading securities	62,230	37,413
Trading Securities, Net Unrealized Gain (Loss)	(566)	323
Other debt securities [Member]
Schedule of Trading Securities [Line Items]
Trading securities	22,890	39,996
Trading Securities, Net Unrealized Gain (Loss)	$ 33	$ 160