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Investment Securities - Maturities (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Held-to-maturity Securities, Amortized Cost |  |
Within one year | $ 100 | $ 101
After one but within five years | 83,024 | 25,666
After five years through ten years | 255,978 | 182,604
After ten years | 592,485 | 133,851
Total | 931,587 | 342,222
Held-to-maturity Securities, Fair Value |  |
Within one year | 100 | 103
After one but within five years | 81,968 | 26,559
After five years through ten years | 228,380 | 182,303
After ten years | 536,938 | 133,790
Total | 847,386 | 342,755
Available-for-sale Securities, Amortized Cost |  |
Within one year | 3,369 | 10,785
After one but within five years | 260,444 | 219,474
After five years through ten years | 300,994 | 299,937
After ten years | 395,572 | 639,324
Total | 960,379 | 1,169,520
Available-for-sale Securities, Fair Value |  |
Within one year | 3,366 | 10,841
After one but within five years | 247,749 | 219,957
After five years through ten years | 280,179 | 300,187
After ten years | 361,855 | 636,583
Total | $ 893,149 | $ 1,167,568

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