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Premises and Equipment, Net - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]      
Depreciation expense $ 3,900 $ 3,900 $ 3,600
Sales of premises and equipment $ 0 0 0
Capital leases      
Property, Plant and Equipment [Line Items]      
Impairment on finite-lived intangible assets   $ 303 $ 470