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Premises and Equipment - Summary of Premises and Equipment and Applicable Depreciable Lives (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Property Plant And Equipment [Line Items]    
Premises and equipment, gross $ 47,039 $ 51,980
Less accumulated depreciation (21,916) (23,774)
Total premises and equipment, net 25,123 28,206
Land [Member]    
Property Plant And Equipment [Line Items]    
Premises and equipment, gross 5,486 6,269
Premises [Member]    
Property Plant And Equipment [Line Items]    
Premises and equipment, gross 25,924 28,575
Furniture, Fixtures and Equipment [Member]    
Property Plant And Equipment [Line Items]    
Premises and equipment, gross $ 15,629 $ 17,136