Trading Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Schedule of Trading Securities [Line Items]
Trading Securities, Fair Value	$ 5,442,364	$ 4,464,161
Trading Securities, Net Unrealized Gain (Loss)	(33,277)	(323)
U.S. government securities [Member]
Schedule of Trading Securities [Line Items]
Trading Securities, Fair Value	46,994	9,823
Trading Securities, Net Unrealized Gain (Loss)	(13)	(16)
Residential agency mortgage-backed securities [Member]
Schedule of Trading Securities [Line Items]
Trading Securities, Fair Value	5,334,372	4,406,848
Trading Securities, Net Unrealized Gain (Loss)	(33,275)	4
Municipal securities [Member]
Schedule of Trading Securities [Line Items]
Trading Securities, Fair Value	49,595	21,484
Trading Securities, Net Unrealized Gain (Loss)	140	(136)
Other trading securities [Member]
Schedule of Trading Securities [Line Items]
Trading Securities, Fair Value	11,403	26,006
Trading Securities, Net Unrealized Gain (Loss)	$ (129)	$ (175)