Commitments, Guarantees and Contingent Liabilities - Maximum obligation to extend credit (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Commitments and Contingencies Disclosure [Abstract]
Commitments to make loans	$ 526,242	$ 407,532
Unused lines of credit	1,027,461	1,024,838
Standby letters of credit	20,926	17,500
Total	$ 1,574,629	$ 1,449,870