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Loans - Schedule of Classes of the Loan Portfolio Summarized by the Aggregate Risk Rating (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020 | Mar. 31, 2020
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | $ 1,610,718 | $ 1,637,784 | $ 1,606,039
Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 1,497,968 | 1,527,119 |
Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 90,869 | 90,334 |
Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 21,881 | 20,331 |
Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Commercial and industrial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 315,710 | 320,154 | 208,859
Commercial and industrial | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 304,783 | 308,929 |
Commercial and industrial | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 6,079 | 7,061 |
Commercial and industrial | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 4,848 | 4,164 |
Commercial and industrial | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 759,335 | 744,627 | 763,415
Commercial real estate | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 673,790 | 660,135 |
Commercial real estate | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 71,437 | 70,828 |
Commercial real estate | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 14,108 | 13,664 |
Commercial real estate | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Commercial real estate construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 50,132 | 53,902 | 44,198
Commercial real estate construction | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 46,219 | 49,762 |
Commercial real estate construction | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 3,913 | 4,140 |
Commercial real estate construction | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Commercial real estate construction | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Residential mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 375,941 | 401,340 | 456,436
Residential mortgage | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 364,592 | 391,419 |
Residential mortgage | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 8,907 | 7,862 |
Residential mortgage | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 2,442 | 2,059 |
Residential mortgage | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Home equity lines of credit |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 97,258 | 104,610 | 118,603
Home equity lines of credit | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 96,242 | 103,725 |
Home equity lines of credit | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 533 | 443 |
Home equity lines of credit | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 483 | 442 |
Home equity lines of credit | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 12,342 | 13,151 | $ 14,528
Consumer | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 12,342 | 13,149 |
Consumer | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Consumer | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 2 |
Consumer | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Originated Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 1,222,600 | 1,228,096 |
Originated Loans | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 1,140,445 | 1,149,058 |
Originated Loans | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 68,340 | 65,709 |
Originated Loans | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 13,815 | 13,329 |
Originated Loans | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Originated Loans | Commercial and industrial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 275,123 | 277,903 |
Originated Loans | Commercial and industrial | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 267,234 | 270,047 |
Originated Loans | Commercial and industrial | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 4,521 | 5,168 |
Originated Loans | Commercial and industrial | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 3,368 | 2,688 |
Originated Loans | Commercial and industrial | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Originated Loans | Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 504,979 | 479,123 |
Originated Loans | Commercial real estate | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 438,258 | 414,538 |
Originated Loans | Commercial real estate | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 56,452 | 54,122 |
Originated Loans | Commercial real estate | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 10,269 | 10,463 |
Originated Loans | Commercial real estate | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Originated Loans | Commercial real estate construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 37,582 | 41,208 |
Originated Loans | Commercial real estate construction | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 36,030 | 39,462 |
Originated Loans | Commercial real estate construction | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 1,552 | 1,746 |
Originated Loans | Commercial real estate construction | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Originated Loans | Commercial real estate construction | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Originated Loans | Residential mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 317,156 | 337,137 |
Originated Loans | Residential mortgage | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 311,659 | 332,632 |
Originated Loans | Residential mortgage | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 5,319 | 4,327 |
Originated Loans | Residential mortgage | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 178 | 178 |
Originated Loans | Residential mortgage | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Originated Loans | Home equity lines of credit |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 76,649 | 80,906 |
Originated Loans | Home equity lines of credit | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 76,153 | 80,560 |
Originated Loans | Home equity lines of credit | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 496 | 346 |
Originated Loans | Home equity lines of credit | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Originated Loans | Home equity lines of credit | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Originated Loans | Consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 11,111 | 11,819 |
Originated Loans | Consumer | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 11,111 | 11,819 |
Originated Loans | Consumer | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Originated Loans | Consumer | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Originated Loans | Consumer | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Acquired Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 388,118 | 409,688 |
Acquired Loans | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 357,523 | 378,061 |
Acquired Loans | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 22,529 | 24,625 |
Acquired Loans | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 8,066 | 7,002 |
Acquired Loans | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Acquired Loans | Commercial and industrial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 40,587 | 42,251 |
Acquired Loans | Commercial and industrial | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 37,549 | 38,882 |
Acquired Loans | Commercial and industrial | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 1,558 | 1,893 |
Acquired Loans | Commercial and industrial | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 1,480 | 1,476 |
Acquired Loans | Commercial and industrial | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Acquired Loans | Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 254,356 | 265,504 |
Acquired Loans | Commercial real estate | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 235,532 | 245,597 |
Acquired Loans | Commercial real estate | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 14,985 | 16,706 |
Acquired Loans | Commercial real estate | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 3,839 | 3,201 |
Acquired Loans | Commercial real estate | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Acquired Loans | Commercial real estate construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 12,550 | 12,694 |
Acquired Loans | Commercial real estate construction | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 10,189 | 10,300 |
Acquired Loans | Commercial real estate construction | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 2,361 | 2,394 |
Acquired Loans | Commercial real estate construction | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Acquired Loans | Commercial real estate construction | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Acquired Loans | Residential mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 58,785 | 64,203 |
Acquired Loans | Residential mortgage | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 52,933 | 58,787 |
Acquired Loans | Residential mortgage | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 3,588 | 3,535 |
Acquired Loans | Residential mortgage | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 2,264 | 1,881 |
Acquired Loans | Residential mortgage | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Acquired Loans | Home equity lines of credit |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 20,609 | 23,704 |
Acquired Loans | Home equity lines of credit | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 20,089 | 23,165 |
Acquired Loans | Home equity lines of credit | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 37 | 97 |
Acquired Loans | Home equity lines of credit | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 483 | 442 |
Acquired Loans | Home equity lines of credit | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Acquired Loans | Consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 1,231 | 1,332 |
Acquired Loans | Consumer | Pass |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 1,231 | 1,330 |
Acquired Loans | Consumer | Special Mention |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 0 |
Acquired Loans | Consumer | Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | 0 | 2 |
Acquired Loans | Consumer | Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total | $ 0 | $ 0 |

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