Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Premises and equipment
Cost	$ 153,284	$ 144,789
Accumulated Depreciation/Amortization	73,974	72,434
Net Book Value	79,310	72,355
Other Assets
Premises and equipment
Fixed Assets Held for Sale	1,000	4,600
Land
Premises and equipment
Cost	29,741	29,741
Net Book Value	29,741	29,741
Buildings
Premises and equipment
Cost	58,311	54,075
Accumulated Depreciation/Amortization	25,911	24,427
Net Book Value	32,400	29,648
Leasehold improvements
Premises and equipment
Cost	7,785	2,790
Accumulated Depreciation/Amortization	1,574	1,280
Net Book Value	6,211	1,510
Furniture and equipment
Premises and equipment
Cost	57,447	58,183
Accumulated Depreciation/Amortization	46,489	46,727
Net Book Value	$ 10,958	$ 11,456