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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

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