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v3.23.1

Investment Securities - Maturities of Investment Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
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Investments, Debt and Equity Securities [Abstract] |  |
Held-to-maturity, amortized cost, one year or less | $ 2,413 |
Held-to-maturity, amortized cost, after one through five years | 6,455 |
Held-to-maturity, amortized cost, after five through ten years | 359,813 |
Held-to-maturity, amortized cost, after ten years | 2,197,272 |
Held-to-maturity, amortized cost, securities not due on a single maturity date | 1,201,418 |
Amortized Cost | 3,767,371 | $ 3,761,094
Held-to-maturity, fair value, one year or less | 2,413 |
Held-to-maturity, fair value, after one through five years | 6,332 |
Held-to-maturity, fair value, after five through ten years | 321,295 |
Held-to-maturity, fair value, after ten years | 1,721,354 |
Held-to-maturity, fair value, securities not due on a single maturity date | 1,097,582 |
Held-to-maturity, fair value, total | 3,148,976 | 3,063,233
Available-for-sale, amortized cost, one year or less | 12,552 |
Available-for-sale, amortized cost, after one through five years | 184,643 |
Available-for-sale, amortized cost, after five through ten years | 256,336 |
Available-for-sale, amortized cost, after ten years | 1,067,885 |
Available-for-sale, amortized cost, securities not due on a single maturity date | 2,664,735 |
Available-for-sale, amortized cost, other securities (no maturity) | 280 |
Amortized Cost | 4,186,431 | 4,331,413
Available-for-sale, fair value, one year or less | 12,376 |
Available-for-sale, fair value, after one through five years | 178,272 |
Available-for-sale, fair value, after five through ten years | 233,547 |
Available-for-sale, fair value, after ten years | 897,951 |
Available-for-sale, fair value, securities not due on a single maturity date | 2,433,530 |
Available-for-sale, fair value, other securities (no maturity) | 280 |
Available-for-sale, fair value, total | $ 3,755,956 | $ 3,852,854

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