Contingent Liabilities and Commitments with Off-Balance Sheet Risk - Summary of Financial Instruments with Off-Balance-Sheet Risk (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Other Commitments [Line Items]
Commitments to extend credit	$ 2,651,206	$ 2,814,924
Unfunded limited partner equity commitment	20,004	26,761
Secured
Other Commitments [Line Items]
Collateral held	35,800
Secured
Other Commitments [Line Items]
Standby letters of credit and financial guarantees written	35,669	19,744
Unsecured
Other Commitments [Line Items]
Standby letters of credit and financial guarantees written	$ 2,830	$ 3,191