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Loans - Impaired Loans (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Loans with no related allowance for loan losses    
Principal Balance $ 505  
Recorded Investment 495  
Related Allowance 0  
Average Investment 504  
Interest Recognized 3  
Total impaired loans    
Principal Balance 505 $ 982
Recorded Investment 495 929
Average Investment 504 957
Interest Recognized 3 7
Commercial | Commercial and industrial    
Loans with no related allowance for loan losses    
Principal Balance   116
Recorded Investment   112
Average Investment   77
Residential real estate and consumer    
Loans with no related allowance for loan losses    
Principal Balance   982
Recorded Investment   929
Average Investment   957
Interest Recognized   7
Residential real estate and consumer | One-to-four family owner-occupied    
Loans with no related allowance for loan losses    
Principal Balance 460 819
Recorded Investment 451 770
Related Allowance 0  
Average Investment 460 831
Interest Recognized 3 7
Residential real estate and consumer | Consumer    
Loans with no related allowance for loan losses    
Principal Balance 45 47
Recorded Investment 44 47
Related Allowance 0  
Average Investment 44 $ 49
Interest Recognized $ 0