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Trading Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Schedule of Trading Securities [Line Items] |  |
Trading securities | $ 2,859,444 | $ 9,136,813
Trading Securities, Net Unrealized Gain (Loss) | (20,467) | (9,290)
U.S. government securities [Member] |  |
Schedule of Trading Securities [Line Items] |  |
Trading securities | 8,357 | 23,610
Trading Securities, Net Unrealized Gain (Loss) | 0 | 40
Residential agency mortgage-backed securities [Member] |  |
Schedule of Trading Securities [Line Items] |  |
Trading securities | 2,807,950 | 9,068,900
Trading Securities, Net Unrealized Gain (Loss) | (20,447) | (9,338)
Municipal securities [Member] |  |
Schedule of Trading Securities [Line Items] |  |
Trading securities | 18,825 | 25,783
Trading Securities, Net Unrealized Gain (Loss) | (11) | 34
Other trading securities [Member] |  |
Schedule of Trading Securities [Line Items] |  |
Trading securities | 24,312 | 18,520
Trading Securities, Net Unrealized Gain (Loss) | $ (9) | $ (26)

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