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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)

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