XML 70 R52.htm IDEA: XBRL DOCUMENT v3.22.4
Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2018
Dec. 31, 2016
Summary Of Significant Accounting Policies [Line Items]          
Lessee, operating lease, existence of option to extend true        
Impairment of goodwill recognized $ 0 $ 0 $ 0    
Defined contribution plan, employer matching contribution, percent         10.00%
Defined benefit pension highest consecutive plan period         3 years
Compensation cost $ 0        
Profit Sharing Plan          
Summary Of Significant Accounting Policies [Line Items]          
Defined contribution plan, maximum employee contribution, percent       100.00%  
Defined contribution plan, employer matching contribution, percent       4.00%  
Normal retirement age of employees       65 years  
Commercial Mortgage          
Summary Of Significant Accounting Policies [Line Items]          
Percentage of loan to value ratio 75.00%        
Minimum | Residential Mortgage and Home Equity Loans          
Summary Of Significant Accounting Policies [Line Items]          
Percentage of loan to value ratio 80.00%        
Maximum          
Summary Of Significant Accounting Policies [Line Items]          
Percentage of bank-owned life insurance 25.00%        
Maximum | Residential Mortgage and Home Equity Loans          
Summary Of Significant Accounting Policies [Line Items]          
Percentage of loan to value ratio 97.00%