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Loans and Allowance for Loan Losses - Components of loans and associated allowance (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | --- | --- | --- | --- | ---
Loans and Allowance for Loan Losses |  |  |  |  |  |
Recorded Investment, Individually Evaluated | $ 5,708 |  | $ 7,954 |  |  |
Recorded Investment, Collectively Evaluated | 2,052,711 |  | 1,713,325 |  |  |
Loans and Leases Receivable, Gross, Total | 2,058,419 |  | 1,721,279 |  |  |
Allowance Allocation, Individually Evaluated | 407 |  | 3,138 |  |  |
Allowance Allocation, Collectively Evaluated | 28,535 |  | 18,594 |  |  |
Allowance Allocation, Unallocated | 2,395 |  | 2,192 |  |  |
Loans and Leases Receivable, Allowance, Total | 31,337 | $ 27,256 | 23,924 | $ 22,984 | $ 21,246 | $ 22,174
Commercial |  |  |  |  |  |
Loans and Allowance for Loan Losses |  |  |  |  |  |
Recorded Investment, Individually Evaluated | 5,022 |  | 6,901 |  |  |
Recorded Investment, Collectively Evaluated | 1,352,399 |  | 993,324 |  |  |
Loans and Leases Receivable, Gross, Total | 1,357,421 |  | 1,000,225 |  |  |
Allowance Allocation, Individually Evaluated | 388 |  | 3,135 |  |  |
Allowance Allocation, Collectively Evaluated | 22,339 |  | 16,126 |  |  |
Loans and Leases Receivable, Allowance, Total | 22,727 | 21,188 | 19,261 | 17,055 | 17,782 | 18,656
Commercial | Commercial and industrial |  |  |  |  |  |
Loans and Allowance for Loan Losses |  |  |  |  |  |
Recorded Investment, Individually Evaluated | 3,497 |  | 976 |  |  |
Recorded Investment, Collectively Evaluated | 785,539 |  | 478,168 |  |  |
Loans and Leases Receivable, Gross, Total | 789,036 |  | 479,144 |  |  |
Allowance Allocation, Individually Evaluated | 379 |  | 189 |  |  |
Allowance Allocation, Collectively Evaluated | 9,994 |  | 12,081 |  |  |
Loans and Leases Receivable, Allowance, Total | 10,373 | 10,797 | 12,270 | 10,946 | 11,694 | 12,127
Commercial | Real estate construction |  |  |  |  |  |
Loans and Allowance for Loan Losses |  |  |  |  |  |
Recorded Investment, Collectively Evaluated | 33,169 |  | 26,378 |  |  |
Loans and Leases Receivable, Gross, Total | 33,169 |  | 26,378 |  |  |
Allowance Allocation, Collectively Evaluated | 483 |  | 303 |  |  |
Loans and Leases Receivable, Allowance, Total | 483 | 443 | 303 | 348 | 323 | 250
Commercial | Commercial real estate |  |  |  |  |  |
Loans and Allowance for Loan Losses |  |  |  |  |  |
Recorded Investment, Individually Evaluated | 1,525 |  | 5,925 |  |  |
Recorded Investment, Collectively Evaluated | 533,691 |  | 488,778 |  |  |
Loans and Leases Receivable, Gross, Total | 535,216 |  | 494,703 |  |  |
Allowance Allocation, Individually Evaluated | 9 |  | 2,946 |  |  |
Allowance Allocation, Collectively Evaluated | 11,862 |  | 3,742 |  |  |
Loans and Leases Receivable, Allowance, Total | 11,871 | 9,948 | 6,688 | 5,761 | 5,765 | 6,279
Consumer |  |  |  |  |  |
Loans and Allowance for Loan Losses |  |  |  |  |  |
Recorded Investment, Individually Evaluated | 686 |  | 1,053 |  |  |
Recorded Investment, Collectively Evaluated | 700,312 |  | 720,001 |  |  |
Loans and Leases Receivable, Gross, Total | 700,998 |  | 721,054 |  |  |
Allowance Allocation, Individually Evaluated | 19 |  | 3 |  |  |
Allowance Allocation, Collectively Evaluated | 6,196 |  | 2,468 |  |  |
Loans and Leases Receivable, Allowance, Total | 6,215 | 4,321 | 2,471 | 2,290 | 2,245 | 2,341
Consumer | Residential | Real estate first mortgage |  |  |  |  |  |
Loans and Allowance for Loan Losses |  |  |  |  |  |
Recorded Investment, Individually Evaluated | 457 |  | 782 |  |  |
Recorded Investment, Collectively Evaluated | 468,593 |  | 456,373 |  |  |
Loans and Leases Receivable, Gross, Total | 469,050 |  | 457,155 |  |  |
Allowance Allocation, Collectively Evaluated | 4,367 |  | 1,448 |  |  |
Loans and Leases Receivable, Allowance, Total | 4,367 | 2,673 | 1,448 | 1,016 | 1,155 | 1,156
Consumer | Residential | Real estate junior lien |  |  |  |  |  |
Loans and Allowance for Loan Losses |  |  |  |  |  |
Recorded Investment, Individually Evaluated | 229 |  | 266 |  |  |
Recorded Investment, Collectively Evaluated | 152,258 |  | 177,107 |  |  |
Loans and Leases Receivable, Gross, Total | 152,487 |  | 177,373 |  |  |
Allowance Allocation, Individually Evaluated | 19 |  |  |  |  |
Allowance Allocation, Collectively Evaluated | 1,192 |  | 671 |  |  |
Loans and Leases Receivable, Allowance, Total | 1,211 | 1,102 | 671 | 896 | 710 | 805
Consumer | Other revolving and installment |  |  |  |  |  |
Loans and Allowance for Loan Losses |  |  |  |  |  |
Recorded Investment, Individually Evaluated |  |  | 5 |  |  |
Recorded Investment, Collectively Evaluated | 79,461 |  | 86,521 |  |  |
Loans and Leases Receivable, Gross, Total | 79,461 |  | 86,526 |  |  |
Allowance Allocation, Individually Evaluated |  |  | 3 |  |  |
Allowance Allocation, Collectively Evaluated | 637 |  | 349 |  |  |
Loans and Leases Receivable, Allowance, Total | $ 637 | $ 546 | $ 352 | $ 378 | $ 380 | $ 380

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