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Loans - Schedule of Loan Portfolio Summarized by the Past Due Status (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019 | Sep. 30, 2019
--- | --- | --- | ---
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | $ 7,665 | $ 10,145 |
Current | 1,693,218 | 1,262,456 |
Total Loans Receivable | 1,700,883 | 1,272,601 | $ 1,288,285
Loans Receivable greater than 90 Days and Accruing | 1,743 | 1,219 |
30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 2,968 | 3,815 |
60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 1,063 | 3,654 |
Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 3,634 | 2,676 |
Commercial and industrial |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 222 | 43 |
Current | 344,789 | 149,272 |
Total Loans Receivable | 345,011 | 149,315 | 163,718
Loans Receivable greater than 90 Days and Accruing | 23 | 4 |
Commercial and industrial | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 21 | 16 |
Commercial and industrial | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 177 | 23 |
Commercial and industrial | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 24 | 4 |
Commercial real estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 3,707 | 4,921 |
Current | 750,367 | 562,127 |
Total Loans Receivable | 754,074 | 567,048 | 557,655
Loans Receivable greater than 90 Days and Accruing | 18 | 0 |
Commercial real estate | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 1,728 | 1,388 |
Commercial real estate | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 190 | 2,247 |
Commercial real estate | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 1,789 | 1,286 |
Commercial real estate construction |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 78 |
Current | 50,367 | 26,338 |
Total Loans Receivable | 50,367 | 26,416 | 28,061
Loans Receivable greater than 90 Days and Accruing | 0 | 0 |
Commercial real estate construction | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 78 |
Commercial real estate construction | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
Commercial real estate construction | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
Residential mortgage |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 2,842 | 4,476 |
Current | 425,638 | 403,861 |
Total Loans Receivable | 428,480 | 408,337 | 415,277
Loans Receivable greater than 90 Days and Accruing | 1,579 | 1,181 |
Residential mortgage | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 466 | 1,918 |
Residential mortgage | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 678 | 1,206 |
Residential mortgage | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 1,698 | 1,352 |
Home equity lines of credit |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 789 | 562 |
Current | 108,504 | 107,485 |
Total Loans Receivable | 109,293 | 108,047 | 109,630
Loans Receivable greater than 90 Days and Accruing | 123 | 15 |
Home equity lines of credit | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 666 | 377 |
Home equity lines of credit | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 170 |
Home equity lines of credit | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 123 | 15 |
Consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 105 | 65 |
Current | 13,553 | 13,373 |
Total Loans Receivable | 13,658 | 13,438 | $ 13,944
Loans Receivable greater than 90 Days and Accruing | 0 | 19 |
Consumer | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 87 | 38 |
Consumer | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 18 | 8 |
Consumer | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 19 |
Originated Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 5,591 | 8,045 |
Current | 1,256,106 | 1,091,581 |
Total Loans Receivable | 1,261,697 | 1,099,626 |
Loans Receivable greater than 90 Days and Accruing | 1,256 | 1,084 |
Originated Loans | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 1,977 | 2,223 |
Originated Loans | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 467 | 3,281 |
Originated Loans | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 3,147 | 2,541 |
Originated Loans | Commercial and industrial |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 22 | 20 |
Current | 296,847 | 145,736 |
Total Loans Receivable | 296,869 | 145,756 |
Loans Receivable greater than 90 Days and Accruing | 0 | 4 |
Originated Loans | Commercial and industrial | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 21 | 16 |
Originated Loans | Commercial and industrial | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
Originated Loans | Commercial and industrial | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 1 | 4 |
Originated Loans | Commercial real estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 3,374 | 3,858 |
Current | 472,679 | 448,078 |
Total Loans Receivable | 476,053 | 451,936 |
Loans Receivable greater than 90 Days and Accruing | 18 | 0 |
Originated Loans | Commercial real estate | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 1,442 | 325 |
Originated Loans | Commercial real estate | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 143 | 2,247 |
Originated Loans | Commercial real estate | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 1,789 | 1,286 |
Originated Loans | Commercial real estate construction |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 78 |
Current | 37,126 | 24,099 |
Total Loans Receivable | 37,126 | 24,177 |
Loans Receivable greater than 90 Days and Accruing | 0 | 0 |
Originated Loans | Commercial real estate construction | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 78 |
Originated Loans | Commercial real estate construction | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
Originated Loans | Commercial real estate construction | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
Originated Loans | Residential mortgage |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 1,840 | 3,806 |
Current | 353,614 | 367,538 |
Total Loans Receivable | 355,454 | 371,344 |
Loans Receivable greater than 90 Days and Accruing | 1,180 | 1,061 |
Originated Loans | Residential mortgage | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 235 | 1,625 |
Originated Loans | Residential mortgage | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 306 | 949 |
Originated Loans | Residential mortgage | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 1,299 | 1,232 |
Originated Loans | Home equity lines of credit |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 254 | 218 |
Current | 83,692 | 92,864 |
Total Loans Receivable | 83,946 | 93,082 |
Loans Receivable greater than 90 Days and Accruing | 58 | 0 |
Originated Loans | Home equity lines of credit | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 196 | 141 |
Originated Loans | Home equity lines of credit | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 77 |
Originated Loans | Home equity lines of credit | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 58 | 0 |
Originated Loans | Consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 101 | 65 |
Current | 12,148 | 13,266 |
Total Loans Receivable | 12,249 | 13,331 |
Loans Receivable greater than 90 Days and Accruing | 0 | 19 |
Originated Loans | Consumer | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 83 | 38 |
Originated Loans | Consumer | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 18 | 8 |
Originated Loans | Consumer | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 19 |
Acquired Loans |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 2,074 | 2,100 |
Current | 437,112 | 170,875 |
Total Loans Receivable | 439,186 | 172,975 |
Loans Receivable greater than 90 Days and Accruing | 487 | 135 |
Acquired Loans | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 991 | 1,592 |
Acquired Loans | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 596 | 373 |
Acquired Loans | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 487 | 135 |
Acquired Loans | Commercial and industrial |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 200 | 23 |
Current | 47,942 | 3,536 |
Total Loans Receivable | 48,142 | 3,559 |
Loans Receivable greater than 90 Days and Accruing | 23 | 0 |
Acquired Loans | Commercial and industrial | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
Acquired Loans | Commercial and industrial | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 177 | 23 |
Acquired Loans | Commercial and industrial | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 23 | 0 |
Acquired Loans | Commercial real estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 333 | 1,063 |
Current | 277,688 | 114,049 |
Total Loans Receivable | 278,021 | 115,112 |
Loans Receivable greater than 90 Days and Accruing | 0 | 0 |
Acquired Loans | Commercial real estate | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 286 | 1,063 |
Acquired Loans | Commercial real estate | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 47 | 0 |
Acquired Loans | Commercial real estate | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
Acquired Loans | Commercial real estate construction |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
Current | 13,241 | 2,239 |
Total Loans Receivable | 13,241 | 2,239 |
Loans Receivable greater than 90 Days and Accruing | 0 | 0 |
Acquired Loans | Commercial real estate construction | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
Acquired Loans | Commercial real estate construction | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
Acquired Loans | Commercial real estate construction | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
Acquired Loans | Residential mortgage |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 1,002 | 670 |
Current | 72,024 | 36,323 |
Total Loans Receivable | 73,026 | 36,993 |
Loans Receivable greater than 90 Days and Accruing | 399 | 120 |
Acquired Loans | Residential mortgage | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 231 | 293 |
Acquired Loans | Residential mortgage | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 372 | 257 |
Acquired Loans | Residential mortgage | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 399 | 120 |
Acquired Loans | Home equity lines of credit |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 535 | 344 |
Current | 24,812 | 14,621 |
Total Loans Receivable | 25,347 | 14,965 |
Loans Receivable greater than 90 Days and Accruing | 65 | 15 |
Acquired Loans | Home equity lines of credit | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 470 | 236 |
Acquired Loans | Home equity lines of credit | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 93 |
Acquired Loans | Home equity lines of credit | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 65 | 15 |
Acquired Loans | Consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 4 | 0 |
Current | 1,405 | 107 |
Total Loans Receivable | 1,409 | 107 |
Loans Receivable greater than 90 Days and Accruing | 0 | 0 |
Acquired Loans | Consumer | 30–59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 4 | 0 |
Acquired Loans | Consumer | 60–89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
Acquired Loans | Consumer | Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | $ 0 | $ 0 |

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