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Description of Business and Summary of Significant Accounting Policies - Narrative (Details)
12 Months Ended
Dec. 31, 2022
USD ($)
branch
shares
Dec. 31, 2021
USD ($)
shares
Property, Plant and Equipment [Line Items]    
Percentage of capital stock of the Bank held 100.00%  
Number of depository branches | branch 59  
Cash reserves required by the Federal Reserve $ 0  
Stock option, issued (in shares) | shares 0 0
Valuation allowance $ 0 $ 0
Minimum | Core Deposits    
Property, Plant and Equipment [Line Items]    
Weighted average useful life (in years) 6 years  
Maximum | Core Deposits    
Property, Plant and Equipment [Line Items]    
Weighted average useful life (in years) 11 years  
Premises    
Property, Plant and Equipment [Line Items]    
Estimated useful life (in years) 20 years  
Furniture, fixtures, and equipment    
Property, Plant and Equipment [Line Items]    
Estimated useful life (in years) 7 years  
Computer and telecommunication    
Property, Plant and Equipment [Line Items]    
Estimated useful life (in years) 3 years