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Investment Securities - Maturities (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Held-to-maturity Securities, Amortized Cost |  |
Within one year | $ 450 | $ 101
After one but within five years | 87,418 | 25,666
After five years through ten years | 262,072 | 182,604
After ten years | 622,267 | 133,851
Net Carrying Amount | 972,207 | 342,222
Held-to-maturity Securities, Fair Value |  |
Within one year | 446 | 103
After one but within five years | 83,663 | 26,559
After five years through ten years | 222,280 | 182,303
After ten years | 538,850 | 133,790
Total | 845,239 | 342,755
Available-for-sale Securities, Amortized Cost |  |
Within one year | 1,254 | 10,785
After one but within five years | 335,813 | 219,474
After five years through ten years | 185,997 | 299,937
After ten years | 369,541 | 639,324
Total | 892,605 | 1,169,520
Available-for-sale Securities, Fair Value |  |
Within one year | 1,239 | 10,841
After one but within five years | 307,843 | 219,957
After five years through ten years | 166,273 | 300,187
After ten years | 326,741 | 636,583
Total | $ 802,096 | $ 1,167,568

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