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Securities Held-To-Maturity - Summary of Securities Held-To-Maturity (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | --- | --- | --- | --- | ---
Securities Held-to-Maturity |  |  |  |  |  |
Face Value | $ 230,190 |  | $ 230,495 |  |  |
Net Carrying Value | 156,027 |  | 155,279 |  |  |
Unrealized Loss | (11,027) |  | (25,889) |  |  |
Estimated Fair Value | 145,000 |  | 129,390 |  |  |
Allowance for Credit Losses | 10,564 | $ 9,132 | 6,256 | $ 5,943 | $ 4,534 | $ 3,153
APL certificates |  |  |  |  |  |
Securities Held-to-Maturity |  |  |  |  |  |
Face Value | 192,791 |  | 192,791 |  |  |
Net Carrying Value | 133,272 |  | 128,865 |  |  |
Unrealized Loss | (20,537) |  | (31,331) |  |  |
Estimated Fair Value | 112,735 |  | 97,534 |  |  |
Allowance for Credit Losses | 1,831 | 2,290 | 2,272 | 2,340 | 3,375 | 2,783
B Piece bonds |  |  |  |  |  |
Securities Held-to-Maturity |  |  |  |  |  |
Face Value | 37,399 |  | 37,704 |  |  |
Net Carrying Value | 22,755 |  | 26,414 |  |  |
Unrealized Gain | 9,510 |  | 5,442 |  |  |
Estimated Fair Value | 32,265 |  | 31,856 |  |  |
Allowance for Credit Losses | $ 8,733 | $ 6,842 | $ 3,984 | $ 3,603 | $ 1,159 | $ 370

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