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Loans - Summary of Impaired Loans by Loan Portfolio Class (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Allowance: Recorded Investment | $ 4,442 | $ 4,759
Impaired Loans with Allowance: Unpaid Principal Balance | 4,442 | 4,759
Impaired Loans with Allowance: Related Allowance | 2,106 | 1,382
Impaired Loans with No Allowance: Recorded Investment | 6,903 | 5,962
Impaired Loans with No Allowance: Unpaid Principal Balance | 6,903 | 5,962
Commercial and industrial |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Allowance: Recorded Investment | 2,739 | 2,031
Impaired Loans with Allowance: Unpaid Principal Balance | 2,739 | 2,031
Impaired Loans with Allowance: Related Allowance | 1,954 | 1,224
Impaired Loans with No Allowance: Recorded Investment | 0 | 0
Impaired Loans with No Allowance: Unpaid Principal Balance | 0 | 0
Commercial real estate |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Allowance: Recorded Investment | 1,703 | 2,728
Impaired Loans with Allowance: Unpaid Principal Balance | 1,703 | 2,728
Impaired Loans with Allowance: Related Allowance | 152 | 158
Impaired Loans with No Allowance: Recorded Investment | 6,802 | 5,861
Impaired Loans with No Allowance: Unpaid Principal Balance | 6,802 | 5,861
Commercial real estate construction |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Allowance: Recorded Investment | 0 | 0
Impaired Loans with Allowance: Unpaid Principal Balance | 0 | 0
Impaired Loans with Allowance: Related Allowance | 0 | 0
Impaired Loans with No Allowance: Recorded Investment | 0 | 0
Impaired Loans with No Allowance: Unpaid Principal Balance | 0 | 0
Residential mortgage |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Allowance: Recorded Investment | 0 | 0
Impaired Loans with Allowance: Unpaid Principal Balance | 0 | 0
Impaired Loans with Allowance: Related Allowance | 0 | 0
Impaired Loans with No Allowance: Recorded Investment | 101 | 101
Impaired Loans with No Allowance: Unpaid Principal Balance | 101 | 101
Home equity lines of credit |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired Loans with Allowance: Recorded Investment | 0 | 0
Impaired Loans with Allowance: Unpaid Principal Balance | 0 | 0
Impaired Loans with Allowance: Related Allowance | 0 | 0
Impaired Loans with No Allowance: Recorded Investment | 0 | 0
Impaired Loans with No Allowance: Unpaid Principal Balance | $ 0 | $ 0

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