Premises and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Gross premises and equipment	$ 111,987	$ 106,110
Less accumulated depreciation	(67,056)	(61,882)
Total premises and equipment, net of accumulated depreciation	44,931	44,228
Depreciation expense	5,300	5,300	$ 6,200
Land and land improvements
Property, Plant and Equipment [Line Items]
Gross premises and equipment	9,090	9,090
Bank premises and leasehold improvements
Property, Plant and Equipment [Line Items]
Gross premises and equipment	57,899	56,266
Computer software and equipment
Property, Plant and Equipment [Line Items]
Gross premises and equipment	18,636	15,636
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Gross premises and equipment	$ 26,362	$ 25,118