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Allowance for Loan Losses (the Allowance) - Carrying value based on credit quality indicators (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Evaluated based on credit quality indicators |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | $ 1,262,824 | $ 1,205,751
Pass |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 1,185,276 | 1,124,015
Special mention |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 57,531 | 61,740
Substandard |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 16,407 | 16,316
Doubtful |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 3,610 | 3,680
Commercial mortgage | Evaluated based on credit quality indicators |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 517,421 | 485,103
Commercial mortgage | Pass |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 482,177 | 449,545
Commercial mortgage | Special mention |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 32,076 | 32,059
Commercial mortgage | Substandard |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 3,168 | 3,499
Home equity lines and loans | Evaluated based on credit quality indicators |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 55,578 | 64,987
Home equity lines and loans | Pass |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 54,174 | 63,923
Home equity lines and loans | Substandard |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 1,404 | 1,064
Construction | Evaluated based on credit quality indicators |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 134,601 | 140,246
Construction | Pass |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 125,974 | 132,286
Construction | Special mention |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 8,627 | 7,960
Commercial and industrial, including leases | Evaluated based on credit quality indicators |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 261,421 | 261,750
Commercial and industrial, including leases | Pass |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 232,768 | 227,349
Commercial and industrial, including leases | Special mention |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 16,828 | 21,721
Commercial and industrial, including leases | Substandard |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 8,215 | 9,000
Commercial and industrial, including leases | Doubtful |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 3,610 | 3,680
Small business loans | Evaluated based on credit quality indicators |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 62,373 | 49,542
Small business loans | Pass |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 58,753 | 46,789
Small business loans | Substandard |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 3,620 | 2,753
Paycheck Protection Program loans ("PPP") | Evaluated based on credit quality indicators |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 230,847 | 203,543
Paycheck Protection Program loans ("PPP") | Pass |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 230,847 | 203,543
MainStreet Lending Program Loans ("PPP") | Evaluated based on credit quality indicators |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | 583 | 580
MainStreet Lending Program Loans ("PPP") | Pass |  |
Loans and Leases by Credit Ratings |  |
Carry value of loans and leases excluding residential mortgage, consumer and leases | $ 583 | $ 580

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