Premises and Equipment - Schedule of Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Total cost	$ 155,728	$ 154,865
Accumulated depreciation	(95,595)	(92,372)
Premises and equipment used in operations, net	60,133	62,493
Premises and equipment held for sale	0	0
Premises and equipment held for sale	60,133	62,493
Land
Property, Plant and Equipment [Line Items]
Total cost	12,585	12,585
Buildings
Property, Plant and Equipment [Line Items]
Total cost	$ 70,597	70,771
Buildings | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	5 years
Buildings | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	30 years
Equipment
Property, Plant and Equipment [Line Items]
Total cost	$ 37,756	35,085
Equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	3 years
Equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	5 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total cost	$ 34,790	$ 36,424
Leasehold improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	5 years
Leasehold improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	25 years