Commitments and Contingencies - Contractual Amount of Off-balance Sheet Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Commitments to extend credit
Financial instruments whose contract amounts represent credit risk:
Financial instruments whose contract amounts represent credit risk:	$ 4,075,892	$ 4,305,483
Letters of credit
Financial instruments whose contract amounts represent credit risk:
Financial instruments whose contract amounts represent credit risk:	$ 66,587	$ 61,808

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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