Bank Premises and Equipment - Summary of Bank Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Cost	$ 181,280	$ 178,801
Accumulated Depreciation & Amortization	(67,976)	(61,909)
Net Carrying Value	113,304	116,892
Land	35,588	37,516
Premises
Property, Plant and Equipment [Line Items]
Cost	138,773	138,447
Accumulated Depreciation & Amortization	(36,500)	(33,037)
Net Carrying Value	102,273	105,410
Furniture and equipment
Property, Plant and Equipment [Line Items]
Cost	42,507	40,354
Accumulated Depreciation & Amortization	(31,476)	(28,872)
Net Carrying Value	$ 11,031	$ 11,482