Premises and Equipment - Bank Premises and Equipment (Details) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Lease right-of-use assets | $ 48,517 | $ 54,930 |
| Total | 439,098 | 433,067 |
| Accumulated depreciation | (155,903) | (149,472) |
| Net | 283,195 | 283,595 |
| Premises | ||
| Property, Plant and Equipment [Line Items] | ||
| Gross | 258,481 | 250,038 |
| Leasehold improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Gross | 36,308 | 33,325 |
| Furniture and equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Gross | 68,546 | 68,275 |
| Computer equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Gross | 27,102 | 26,356 |
| Autos | ||
| Property, Plant and Equipment [Line Items] | ||
| Gross | $ 144 | $ 143 |