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Securities Held-to-Maturity - Summary of Securities Held-to-Maturity (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Schedule of Held-to-Maturity Securities [Line Items] |  |
Face Value | $ 230,495 | $ 234,255
Net Carrying Value | 155,279 | 156,547
Unrealized loss | (25,889) | (11,976)
Estimated Fair Value | 129,390 | 144,571
Allowance for Credit Losses | 6,256 | 3,153
APL certificates |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Face Value | 192,791 | 192,791
Net Carrying Value | 128,865 | 123,475
Unrealized loss | (31,331) | (13,348)
Estimated Fair Value | 97,534 | 110,127
Allowance for Credit Losses | 2,272 | 2,783
B Piece bonds |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Face Value | 37,704 | 41,464
Net Carrying Value | 26,414 | 33,072
Unrealized gain | 5,442 | 1,372
Estimated Fair Value | 31,856 | 34,444
Allowance for Credit Losses | $ 3,984 | $ 370

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