Summary of Significant Accounting Policies (Details)
12 Months Ended
Dec. 31, 2021
USD ($)
segment
payment
branch
Dec. 31, 2020
USD ($)
Jul. 31, 2000
branch
Summary of Significant Accounting Policies [Line Items]      
Number of branches 26    
Reportable operating segments | segment 1    
Number of offices related to the goodwill in acquisition     2
Unrecognized tax benefits | $ $ 0 $ 0  
Bank premises, land improvements, and leasehold improvements | Minimum      
Summary of Significant Accounting Policies [Line Items]      
Premises and equipment useful life 10 years    
Bank premises, land improvements, and leasehold improvements | Maximum      
Summary of Significant Accounting Policies [Line Items]      
Premises and equipment useful life 39 years    
Computer software and equipment | Minimum      
Summary of Significant Accounting Policies [Line Items]      
Premises and equipment useful life 3 years    
Computer software and equipment | Maximum      
Summary of Significant Accounting Policies [Line Items]      
Premises and equipment useful life 5 years    
Furniture, fixtures, and equipment | Minimum      
Summary of Significant Accounting Policies [Line Items]      
Premises and equipment useful life 3 years    
Furniture, fixtures, and equipment | Maximum      
Summary of Significant Accounting Policies [Line Items]      
Premises and equipment useful life 10 years    
Residential mortgages      
Summary of Significant Accounting Policies [Line Items]      
Early payment default period | payment 4    
Lines of Credit and Demand Notes | Minimum      
Summary of Significant Accounting Policies [Line Items]      
Period that loan deferred income is amortized 3 years    
Lines of Credit and Demand Notes | Maximum      
Summary of Significant Accounting Policies [Line Items]      
Period that loan deferred income is amortized 5 years