Premises and Equipment - Bank Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Lease right-of-use assets	$ 46,811	$ 48,517
Total	445,456	439,098
Accumulated depreciation	(165,660)	(155,903)
Net	279,796	283,195
Premises
Property, Plant and Equipment [Line Items]
Gross	262,536	258,481
Leasehold improvements
Property, Plant and Equipment [Line Items]
Gross	37,155	36,308
Furniture and equipment
Property, Plant and Equipment [Line Items]
Gross	70,197	68,546
Computer equipment
Property, Plant and Equipment [Line Items]
Gross	28,577	27,102
Autos
Property, Plant and Equipment [Line Items]
Gross	$ 180	$ 144