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Trading Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Schedule of Trading Securities [Line Items] |  |
Trading securities | $ 2,294,358 | $ 4,464,161
Trading Securities, Net Unrealized Gain (Loss) | 12,566 | (323)
U.S. government securities [Member] |  |
Schedule of Trading Securities [Line Items] |  |
Trading securities | 5,618 | 9,823
Trading Securities, Net Unrealized Gain (Loss) | (6) | (16)
Residential agency mortgage-backed securities [Member] |  |
Schedule of Trading Securities [Line Items] |  |
Trading securities | 2,210,721 | 4,406,848
Trading Securities, Net Unrealized Gain (Loss) | 12,289 | 4
Municipal securities [Member] |  |
Schedule of Trading Securities [Line Items] |  |
Trading securities | 37,455 | 21,484
Trading Securities, Net Unrealized Gain (Loss) | 45 | (136)
Asset-backed securities [Member] |  |
Schedule of Trading Securities [Line Items] |  |
Trading securities | 10,194 | 0
Trading Securities, Net Unrealized Gain (Loss) | 10 | 0
Other trading securities [Member] |  |
Schedule of Trading Securities [Line Items] |  |
Trading securities | 30,370 | 26,006
Trading Securities, Net Unrealized Gain (Loss) | $ 228 | $ (175)

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