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v3.21.2

Allowance for Loan Losses - Narrative (Details) $ in Thousands | 9 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2021 USD ($) loan_class | Dec. 31, 2020 USD ($) | Jun. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Jun. 30, 2020 USD ($) | Dec. 31, 2019 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Number of loan classes | loan_class | 8 |  |  |  |  |
Percent of related loans | 0.82% | 0.80% |  |  |  |
Increase (decrease) in qualitative portion | $ 1,539 |  |  |  |  |
Allowance for loan losses | $ 17,507 | $ 16,253 | $ 17,034 | $ 15,371 | $ 14,110 | $ 11,639
Allowance for loan losses as a percent of total loans | 1.08% | 1.10% |  | 1.07% |  |
Number of classes in the commercial loan portfolio | loan_class | 3 |  |  |  |  |
Loan-to-value percent, commercial real estate | 80.00% |  |  |  |  |
Number of classes in the residential loan portfolio | loan_class | 2 |  |  |  |  |
Construction loans, percent of capital | 45.40% |  |  |  |  |
Construction loans, maximum percent of capital | 100.00% |  |  |  |  |
Construction loans and non-owner-occupied commercial real estate loans, percent of capital | 191.70% |  |  |  |  |
Construction loans and non-owner-occupied commercial real estate loans, maximum percent of capital | 300.00% |  |  |  |  |
Outstanding loans and commitments subject by independent consulting firm | 60.00% |  |  |  |  |
Minimum |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Residential loans, loan to value percent, maximum | 75.00% |  |  |  |  |
Consumer loans, loan to value percent, minimum | 80.00% |  |  |  |  |
Maximum |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Residential loans, loan to value percent, maximum | 80.00% |  |  |  |  |
Consumer loans, loan to value percent, minimum | 90.00% |  |  |  |  |
Consumer |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan losses | $ 867 | $ 778 | 892 | $ 592 | 658 | 867
Delinquent period before consumer loans are charged off | 120 days |  |  |  |  |
Residential |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loan to value ratio | 0.80 |  |  |  |  |
Amortization term (in years) | 30 years |  |  |  |  |
Delinquent period before residential loans are placed on non-accrual status | 90 days |  |  |  |  |
Delinquent period for loans charged off | 180 days |  |  |  |  |
Delinquent period for loans charged off after receipt of notification | 60 days |  |  |  |  |
Residential | Construction |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan losses | $ 142 | 102 | 160 | 81 | 64 | 25
Loan maturities | 1 year |  |  |  |  |
Home equity line of credit |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan losses | $ 956 | 1,211 | 959 | 1,457 | 1,284 | 1,078
Loan maturities | 300 months |  |  |  |  |
Loan to value ratio | 0.80 |  |  |  |  |
Commercial | Construction |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan losses | $ 879 | 662 | $ 750 | 607 | $ 524 | $ 365
Loan maturities | 2 years |  |  |  |  |
Unallocated Reserves |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan losses | $ 1,487 | $ 2,134 |  | 1,576 |  |
Percent of total allowance reserve | 8.50% | 13.10% |  |  |  |
Unallocated Reserves | Consumer |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan losses | $ 0 | $ 0 |  | 0 |  |
Unallocated Reserves | Residential | Construction |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan losses | 0 | 0 |  | 0 |  |
Unallocated Reserves | Home equity line of credit |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan losses | 0 | 0 |  | 0 |  |
Unallocated Reserves | Commercial | Construction |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan losses | $ 0 | $ 0 |  | $ 0 |  |

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