Trading Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Schedule of Trading Securities [Line Items]
Trading securities	$ 4,464,161	$ 9,136,813
Trading Securities, Net Unrealized Gain (Loss)	(323)	(9,290)
U.S. government securities [Member]
Schedule of Trading Securities [Line Items]
Trading securities	9,823	23,610
Trading Securities, Net Unrealized Gain (Loss)	(16)	40
Residential agency mortgage-backed securities [Member]
Schedule of Trading Securities [Line Items]
Trading securities	4,406,848	9,068,900
Trading Securities, Net Unrealized Gain (Loss)	4	(9,338)
Municipal securities [Member]
Schedule of Trading Securities [Line Items]
Trading securities	21,484	25,783
Trading Securities, Net Unrealized Gain (Loss)	(136)	34
Other debt securities [Member]
Schedule of Trading Securities [Line Items]
Trading securities	26,006	18,520
Trading Securities, Net Unrealized Gain (Loss)	$ (175)	$ (26)