Commitments and Contingencies - Credit Commitments (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Credit Commitments [Line Items]
Credit Commitments	$ 3,268,405	$ 3,234,095
Unfunded Commitments to Extend Credit
Credit Commitments [Line Items]
Credit Commitments	3,163,328	3,128,272
Standby Letters of Credit
Credit Commitments [Line Items]
Credit Commitments	91,309	96,484
Commercial Letters of Credit
Credit Commitments [Line Items]
Credit Commitments	$ 13,768	$ 9,339