Deposits - Narrative (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deposit Liability [Line Items]
Deposits	$ 10,031,599	$ 9,227,529
Deposit overdrafts	1,100	800
Time deposits >$250,000	355,209	276,319
Brokered deposits	12,600	261,900
Reciprocal deposits through CDARS And ICS	26,600	10,300
Insured deposits	$ 6,300,000
Insured deposits (as a percent)	63.30%
Uninsured deposits	$ 3,700,000
Investment securities, pledged as collateral for public deposits	$ 820,900
Insured or collateralized deposits (as a percent)	71.50%
Management
Deposit Liability [Line Items]
Deposits	$ 4,600	$ 2,000