Premises and Equipment - Summary of Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 141,764	$ 137,814
Accumulated depreciation	(97,909)	(92,781)
Total	43,855	45,033
Land
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	8,651	8,651
Premises
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	62,599	62,140
Furniture and equipment
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	57,610	54,468
Leasehold improvements
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 12,904	$ 12,555