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Loans and Allowance for Credit Losses - Changes in Allowance for Credit Losses (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
USD ($)
quarter
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Financing Receivable, Allowance for Credit Losses [Line Items]      
Number of rolling quarters used in analysis | quarter 56    
Financing Receivable, Allowance for Credit Losses [Roll Forward]      
Allowance for credit losses, beginning balance $ 9,600 $ 12,915 $ 9,130
Provision charged to operations 1,000 (4,300) 3,275
Losses charged to allowance (178) (267) (229)
Recoveries 426 1,252 739
Allowance for credit losses, ending balance 10,848 9,600 12,915
Ending balance: individually evaluated for impairment 314 649  
Ending balance: collectively evaluated for impairment 10,534 8,951  
Commercial      
Financing Receivable, Allowance for Credit Losses [Roll Forward]      
Allowance for credit losses, beginning balance 2,011 2,019 1,428
Provision charged to operations (531) (663) 100
Losses charged to allowance (27) (46) (121)
Recoveries 367 701 612
Allowance for credit losses, ending balance 1,820 2,011 2,019
Ending balance: individually evaluated for impairment 309 607  
Ending balance: collectively evaluated for impairment 1,511 1,404  
Real Estate      
Financing Receivable, Allowance for Credit Losses [Roll Forward]      
Allowance for credit losses, beginning balance 6,741 9,174 6,769
Provision charged to operations 1,062 (2,752) 2,405
Losses charged to allowance 0 0 0
Recoveries 0 319 0
Allowance for credit losses, ending balance 7,803 6,741 9,174
Ending balance: individually evaluated for impairment 5 38  
Ending balance: collectively evaluated for impairment 7,798 6,703  
Consumer      
Financing Receivable, Allowance for Credit Losses [Roll Forward]      
Allowance for credit losses, beginning balance 568 1,091 897
Provision charged to operations 409 (534) 175
Losses charged to allowance (151) (221) (108)
Recoveries 59 232 127
Allowance for credit losses, ending balance 885 568 1,091
Ending balance: individually evaluated for impairment 0 4  
Ending balance: collectively evaluated for impairment 885 564  
Unallocated      
Financing Receivable, Allowance for Credit Losses [Roll Forward]      
Allowance for credit losses, beginning balance 280 631 36
Provision charged to operations 60 (351) 595
Losses charged to allowance 0 0 0
Recoveries 0 0 0
Allowance for credit losses, ending balance 340 280 $ 631
Ending balance: individually evaluated for impairment 0 0  
Ending balance: collectively evaluated for impairment $ 340 $ 280