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Investment Securities - Maturities of Investment Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost [Abstract] |  |
Available-for-sale, Amortized Cost, Due in one year or less | $ 279,995 |
Available-for-sale, Amortized Cost, Due after one-five years | 165,880 |
Available-for-sale, Amortized Cost, Due after five-ten years | 146,600 |
Available-for-sale, Amortized Cost, Due after ten years | 11,201 |
Available-for-sale, Amortized Cost, Total | 603,676 |
Debt Securities, Available-for-sale, Maturity, Amortized Cost, Rolling Maturity [Abstract] |  |
Mortgage-backed securities: GSE residential, Amortized Cost | 653,760 |
Amortized Cost | 1,257,436 | $ 1,363,721
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Amortized Cost [Abstract] |  |
Held-to-maturity, Amortized Cost, Due after ten years | 2,279 |
Held-to-maturity | 2,279 | 2,286
Available-For-Sale Securities, Debt Maturities, Single Maturity Date, Fair Value single maturity [Abstract] |  |
Available-for-sale, Estimated Fair Value, Due in one year or less | 256,329 |
Available-for-sale, Estimated Fair Value, Due after one-five years | 139,496 |
Available-for-sale, Estimated Fair Value, Due after five-ten years | 118,635 |
Available-for-sale, Estimated Fair Value, Due after ten years | 9,090 |
Available-for-sale, Estimated Fair Value, Total | 523,550 |
Debt Securities, Available-for-sale, Maturity, Fair Value, Rolling Maturity [Abstract] |  |
Mortgage-backed securities: GSE residential, Estimated Fair Value | 539,742 |
Total available-for-sale, Estimated Fair Value | 1,063,292 |
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] |  |
Held-to-maturity, Estimated Fair Value, Due after ten years | 2,279 |
Total held-to-maturity, Estimated Fair Value | $ 2,279 | $ 2,286

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