Commitments and Contingencies - Commitments and Letters of Credit (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Other Commitments [Line Items]
Unused commitments to extend credit	$ 2,711,591	$ 2,452,405
Commitments to extend credit
Other Commitments [Line Items]
Unused commitments to extend credit	2,644,139	2,382,847
Standby letters of credit
Other Commitments [Line Items]
Unused commitments to extend credit	$ 67,452	$ 69,558