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Loans and Allowance for Credit Losses - Allowance for Credit Losses (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
USD ($)
component
quarter
Sep. 30, 2021
USD ($)
Sep. 30, 2022
USD ($)
component
quarter
Sep. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
Financing Receivable, Allowance for Credit Losses [Line Items]          
Number of primary components | component 2   2    
Lookback period used in reserve analysis | quarter 55   55    
Financing Receivable, Allowance for Credit Losses [Roll Forward]          
Allowance for credit losses, beginning balance $ 9,873 $ 10,439 $ 9,600 $ 12,915  
Provision charged to operations 500 (500) 500 (3,800)  
Losses charged to allowance (20) (34) (138) (261)  
Recoveries 13 156 404 1,207  
Allowance for credit losses, ending balance 10,366 10,061 10,366 10,061  
Ending balance: individually evaluated for impairment 344   344   $ 649
Ending balance: collectively evaluated for impairment 10,022   10,022   8,951
Commercial          
Financing Receivable, Allowance for Credit Losses [Roll Forward]          
Allowance for credit losses, beginning balance 1,973 2,210 2,011 2,019  
Provision charged to operations 118 118 (269) (321)  
Losses charged to allowance 0 (15) (18) (46)  
Recoveries 0 21 367 682  
Allowance for credit losses, ending balance 2,091 2,334 2,091 2,334  
Ending balance: individually evaluated for impairment 337   337   607
Ending balance: collectively evaluated for impairment 1,754   1,754   1,404
Real Estate          
Financing Receivable, Allowance for Credit Losses [Roll Forward]          
Allowance for credit losses, beginning balance 6,994 7,050 6,741 9,174  
Provision charged to operations 418 (434) 671 (2,877)  
Losses charged to allowance 0 0 0 0  
Recoveries 0 0 0 319  
Allowance for credit losses, ending balance 7,412 6,616 7,412 6,616  
Ending balance: individually evaluated for impairment 7   7   38
Ending balance: collectively evaluated for impairment 7,405   7,405   6,703
Consumer          
Financing Receivable, Allowance for Credit Losses [Roll Forward]          
Allowance for credit losses, beginning balance 769 828 568 1,091  
Provision charged to operations (29) (230) 248 (368)  
Losses charged to allowance (20) (19) (120) (215)  
Recoveries 13 135 37 206  
Allowance for credit losses, ending balance 733 714 733 714  
Ending balance: individually evaluated for impairment 0   0   4
Ending balance: collectively evaluated for impairment 733   733   564
Unallocated          
Financing Receivable, Allowance for Credit Losses [Roll Forward]          
Allowance for credit losses, beginning balance 137 351 280 631  
Provision charged to operations (7) 46 (150) (234)  
Losses charged to allowance 0 0 0 0  
Recoveries 0 0 0 0  
Allowance for credit losses, ending balance 130 $ 397 130 $ 397  
Ending balance: individually evaluated for impairment 0   0   0
Ending balance: collectively evaluated for impairment $ 130   $ 130   $ 280