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Fair Value of Financial Instruments - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Assets: |  |
Estimated Fair Value | $ 1,688,768 | $ 895,034
Derivatives | 103,228 | 103,603
Liabilities: |  |
Derivatives | 116,513 | 105,255
GSE debentures |  |
Assets: |  |
Estimated Fair Value | 173,677 | 176,294
GSE CMOs |  |
Assets: |  |
Estimated Fair Value | 496,570 | 55,543
GSE MBSs |  |
Assets: |  |
Estimated Fair Value | 325,745 | 148,285
Municipal obligations |  |
Assets: |  |
Estimated Fair Value | 240,216 | 20,254
Corporate debt obligations |  |
Assets: |  |
Estimated Fair Value | 40,023 | 12,287
U.S. Treasury bonds |  |
Assets: |  |
Estimated Fair Value | 412,037 | 481,872
Foreign government obligations |  |
Assets: |  |
Estimated Fair Value | 500 | 499
Recurring basis | Interest rate derivatives |  |
Assets: |  |
Derivatives | 185 | 18
Liabilities: |  |
Derivatives | 179 | 2,051
Recurring basis | Loan level derivatives |  |
Assets: |  |
Derivatives | 102,237 | 102,608
Liabilities: |  |
Derivatives | 115,937 | 102,608
Recurring basis | Risk participation-out agreements |  |
Assets: |  |
Derivatives | 532 | 495
Recurring basis | Foreign exchange contracts |  |
Assets: |  |
Derivatives | 274 | 482
Liabilities: |  |
Derivatives | 258 | 459
Recurring basis | Risk participation-in agreements |  |
Liabilities: |  |
Derivatives | 139 | 137
Recurring basis | Investment securities available-for-sale |  |
Assets: |  |
Estimated Fair Value | 1,688,768 | 895,034
Recurring basis | GSE debentures |  |
Assets: |  |
Estimated Fair Value | 173,677 | 176,294
Recurring basis | GSE CMOs |  |
Assets: |  |
Estimated Fair Value | 496,570 | 55,543
Recurring basis | GSE MBSs |  |
Assets: |  |
Estimated Fair Value | 325,745 | 148,285
Recurring basis | Municipal obligations |  |
Assets: |  |
Estimated Fair Value | 240,216 | 20,254
Recurring basis | Corporate debt obligations |  |
Assets: |  |
Estimated Fair Value | 40,023 | 12,287
Recurring basis | U.S. Treasury bonds |  |
Assets: |  |
Estimated Fair Value | 412,037 | 481,872
Recurring basis | Foreign government obligations |  |
Assets: |  |
Estimated Fair Value | 500 | 499
Recurring basis | Level 1 | Interest rate derivatives |  |
Assets: |  |
Derivatives | 0 | 0
Liabilities: |  |
Derivatives | 0 | 0
Recurring basis | Level 1 | Loan level derivatives |  |
Assets: |  |
Derivatives | 0 | 0
Liabilities: |  |
Derivatives | 0 | 0
Recurring basis | Level 1 | Risk participation-out agreements |  |
Assets: |  |
Derivatives | 0 | 0
Recurring basis | Level 1 | Foreign exchange contracts |  |
Assets: |  |
Derivatives | 0 | 0
Liabilities: |  |
Derivatives | 0 | 0
Recurring basis | Level 1 | Risk participation-in agreements |  |
Liabilities: |  |
Derivatives | 0 | 0
Recurring basis | Level 1 | Investment securities available-for-sale |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring basis | Level 1 | GSE debentures |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring basis | Level 1 | GSE CMOs |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring basis | Level 1 | GSE MBSs |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring basis | Level 1 | Municipal obligations |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring basis | Level 1 | Corporate debt obligations |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring basis | Level 1 | U.S. Treasury bonds |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring basis | Level 1 | Foreign government obligations |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring basis | Level 2 | Interest rate derivatives |  |
Assets: |  |
Derivatives | 185 | 18
Liabilities: |  |
Derivatives | 179 | 2,051
Recurring basis | Level 2 | Loan level derivatives |  |
Assets: |  |
Derivatives | 102,237 | 102,608
Liabilities: |  |
Derivatives | 115,937 | 102,608
Recurring basis | Level 2 | Risk participation-out agreements |  |
Assets: |  |
Derivatives | 532 | 495
Recurring basis | Level 2 | Foreign exchange contracts |  |
Assets: |  |
Derivatives | 274 | 482
Liabilities: |  |
Derivatives | 258 | 459
Recurring basis | Level 2 | Risk participation-in agreements |  |
Liabilities: |  |
Derivatives | 139 | 137
Recurring basis | Level 2 | Investment securities available-for-sale |  |
Assets: |  |
Estimated Fair Value | 1,666,800 | 875,544
Recurring basis | Level 2 | GSE debentures |  |
Assets: |  |
Estimated Fair Value | 173,677 | 176,294
Recurring basis | Level 2 | GSE CMOs |  |
Assets: |  |
Estimated Fair Value | 496,570 | 55,543
Recurring basis | Level 2 | GSE MBSs |  |
Assets: |  |
Estimated Fair Value | 325,745 | 148,285
Recurring basis | Level 2 | Municipal obligations |  |
Assets: |  |
Estimated Fair Value | 221,604 | 3,198
Recurring basis | Level 2 | Corporate debt obligations |  |
Assets: |  |
Estimated Fair Value | 36,667 | 9,853
Recurring basis | Level 2 | U.S. Treasury bonds |  |
Assets: |  |
Estimated Fair Value | 412,037 | 481,872
Recurring basis | Level 2 | Foreign government obligations |  |
Assets: |  |
Estimated Fair Value | 500 | 499
Recurring basis | Level 3 | Interest rate derivatives |  |
Assets: |  |
Derivatives | 0 | 0
Liabilities: |  |
Derivatives | 0 | 0
Recurring basis | Level 3 | Loan level derivatives |  |
Assets: |  |
Derivatives | 0 | 0
Liabilities: |  |
Derivatives | 0 | 0
Recurring basis | Level 3 | Risk participation-out agreements |  |
Assets: |  |
Derivatives | 0 | 0
Recurring basis | Level 3 | Foreign exchange contracts |  |
Assets: |  |
Derivatives | 0 | 0
Liabilities: |  |
Derivatives | 0 | 0
Recurring basis | Level 3 | Risk participation-in agreements |  |
Liabilities: |  |
Derivatives | 0 | 0
Recurring basis | Level 3 | Investment securities available-for-sale |  |
Assets: |  |
Estimated Fair Value | 21,968 | 19,490
Recurring basis | Level 3 | GSE debentures |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring basis | Level 3 | GSE CMOs |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring basis | Level 3 | GSE MBSs |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring basis | Level 3 | Municipal obligations |  |
Assets: |  |
Estimated Fair Value | 18,612 | 17,056
Recurring basis | Level 3 | Corporate debt obligations |  |
Assets: |  |
Estimated Fair Value | 3,356 | 2,434
Recurring basis | Level 3 | U.S. Treasury bonds |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring basis | Level 3 | Foreign government obligations |  |
Assets: |  |
Estimated Fair Value | $ 0 | $ 0

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