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Other Assets and Other Liabilities - Summary of Other Assets and Other Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Other Assets [Abstract] |  |
Tax credit investments | $ 63,232 | $ 55,568
Net deferred tax asset | 62,924 | 53,427
Derivative instruments | 65,490 | 54,557
Operating lease right of use assets | 31,892 | 31,120
Federal Home Loan Bank ("FHLB") and Federal Reserve Bank ("FRB") stock | 15,067 | 19,385
Accrued interest receivable | 23,541 | 19,371
Other | 39,191 | 29,564
Total other assets | 301,337 | 262,992
Other Liabilities [Abstract] |  |
Collateral on derivative instruments | 66,950 | 54,300
Derivative instruments | 56,769 | 47,751
Operating lease right of use obligations | 34,125 | 33,229
Accrued interest expense | 18,138 | 5,983
Other | 45,024 | 41,758
Total other liabilities | $ 221,006 | $ 183,021

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