Premises and Equipment - Bank Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Lease right-of-use assets	$ 54,930	$ 63,547
Total	433,067	430,284
Accumulated depreciation	(149,472)	(137,162)
Net	283,595	293,122
Premises
Property, Plant and Equipment [Line Items]
Gross	250,038	247,484
Leasehold improvements
Property, Plant and Equipment [Line Items]
Gross	33,325	29,412
Furniture and equipment
Property, Plant and Equipment [Line Items]
Gross	68,275	65,286
Computer equipment
Property, Plant and Equipment [Line Items]
Gross	26,356	24,412
Autos
Property, Plant and Equipment [Line Items]
Gross	$ 143	$ 143