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Summary of Business and Financial Statement Presentation including Significant Accounting Policies (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
lease
Dec. 31, 2020
USD ($)
Mortgage Loans Held-for-Sale    
Maximum past due period of principal or interest based on LHFS are placed on nonaccrual status 90 days  
Recent Accounting Pronouncements    
Restricted cash $ 5,657 $ 5,602
Business promotion $ 7,395 3,859
Number of operating leases | lease 3  
Number of financing leases | lease 1  
Accumulated other comprehensive earnings, net of tax $ 22,044 $ 24,766