Annual report pursuant to Section 13 and 15(d)

Allowance for Loan and Lease Losses - Summary of Investment in Loans Disaggregated Based on Method of Evaluating Impairment (Details)

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Allowance for Loan and Lease Losses - Summary of Investment in Loans Disaggregated Based on Method of Evaluating Impairment (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Financing Receivable Allowance For Credit Losses [Line Items]    
Loans - Recorded Investment, Individually Evaluated for Impairment $ 5,304 $ 8,829
Loans - Recorded Investment, Collectively Evaluated for Impairment 2,316,797 2,379,703
Allowance for Credit Loss, Individually Evaluated for Impairment 3,593 4,079
Allowance for Credit Loss, Collectively Evaluated for Impairment 12,802 11,947
Commercial and Industrial Loans    
Financing Receivable Allowance For Credit Losses [Line Items]    
Loans - Recorded Investment, Individually Evaluated for Impairment 4,129 4,978
Loans - Recorded Investment, Collectively Evaluated for Impairment 460,568 570,008
Allowance for Credit Loss, Individually Evaluated for Impairment 3,276 3,488
Allowance for Credit Loss, Collectively Evaluated for Impairment 6,509 5,598
Real Estate | 1-4 Single Family Residential    
Financing Receivable Allowance For Credit Losses [Line Items]    
Loans - Recorded Investment, Individually Evaluated for Impairment 173 1,637
Loans - Recorded Investment, Collectively Evaluated for Impairment 361,982 362,502
Allowance for Credit Loss, Individually Evaluated for Impairment   1
Allowance for Credit Loss, Collectively Evaluated for Impairment 91 146
Real Estate | Construction, Land and Development    
Financing Receivable Allowance For Credit Losses [Line Items]    
Loans - Recorded Investment, Individually Evaluated for Impairment   217
Loans - Recorded Investment, Collectively Evaluated for Impairment 400,952 415,271
Allowance for Credit Loss, Collectively Evaluated for Impairment 1,686 1,744
Real Estate | Commercial Real Estate (Including Multifamily)    
Financing Receivable Allowance For Credit Losses [Line Items]    
Loans - Recorded Investment, Individually Evaluated for Impairment 941 1,837
Loans - Recorded Investment, Collectively Evaluated for Impairment 1,029,950 954,906
Allowance for Credit Loss, Individually Evaluated for Impairment 265 500
Allowance for Credit Loss, Collectively Evaluated for Impairment 4,447 4,343
Consumer Loans and Leases    
Financing Receivable Allowance For Credit Losses [Line Items]    
Loans - Recorded Investment, Individually Evaluated for Impairment 48 108
Loans - Recorded Investment, Collectively Evaluated for Impairment 6,259 11,630
Allowance for Credit Loss, Individually Evaluated for Impairment 48 90
Allowance for Credit Loss, Collectively Evaluated for Impairment 24 55
Municipal and Other Loans    
Financing Receivable Allowance For Credit Losses [Line Items]    
Loans - Recorded Investment, Individually Evaluated for Impairment 13 52
Loans - Recorded Investment, Collectively Evaluated for Impairment 57,086 65,386
Allowance for Credit Loss, Individually Evaluated for Impairment 4  
Allowance for Credit Loss, Collectively Evaluated for Impairment $ 45 $ 61