Bank Premises and Equipment - Net Book Value (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Total bank premises and equipment	$ 158,137	$ 157,474
Accumulated depreciation	(75,203)	(68,214)
Net book value	82,934	89,260
Land
Property, Plant and Equipment [Line Items]
Total bank premises and equipment	18,746	19,921
Building and premises
Property, Plant and Equipment [Line Items]
Total bank premises and equipment	101,478	101,234
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Total bank premises and equipment	$ 37,913	$ 36,319