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Loans and Allowance for Loan Losses - Components of loans and associated allowance (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019 | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | ---
Loans and Allowance for Loan Losses |  |  |  |
Recorded Investment, Individually Evaluated | $ 7,942 | $ 7,954 |  |
Recorded Investment, Collectively Evaluated | 1,750,335 | 1,713,325 |  |
Loans and Leases Receivable, Gross, Total | 1,758,277 | 1,721,279 |  |
Allowance Allocation, Individually Evaluated | 3,066 | 3,138 |  |
Allowance Allocation, Collectively Evaluated | 22,120 | 18,594 |  |
Allowance Allocation, Unallocated | 1,833 | 2,192 |  |
Loans and Leases Receivable, Allowance, Total | 27,019 | 23,924 | $ 22,638 | $ 22,174
Commercial |  |  |  |
Loans and Allowance for Loan Losses |  |  |  |
Recorded Investment, Individually Evaluated | 6,946 | 6,901 |  |
Recorded Investment, Collectively Evaluated | 1,043,284 | 993,324 |  |
Loans and Leases Receivable, Gross, Total | 1,050,230 | 1,000,225 |  |
Allowance Allocation, Individually Evaluated | 3,035 | 3,135 |  |
Allowance Allocation, Collectively Evaluated | 18,476 | 16,126 |  |
Loans and Leases Receivable, Allowance, Total | 21,511 | 19,261 | 19,909 | 18,656
Commercial | Commercial and industrial |  |  |  |
Loans and Allowance for Loan Losses |  |  |  |
Recorded Investment, Individually Evaluated | 5,422 | 976 |  |
Recorded Investment, Collectively Evaluated | 497,215 | 478,168 |  |
Loans and Leases Receivable, Gross, Total | 502,637 | 479,144 |  |
Allowance Allocation, Individually Evaluated | 2,764 | 189 |  |
Allowance Allocation, Collectively Evaluated | 10,137 | 12,081 |  |
Loans and Leases Receivable, Allowance, Total | 12,901 | 12,270 | 13,815 | 12,127
Commercial | Real estate construction |  |  |  |
Loans and Allowance for Loan Losses |  |  |  |
Recorded Investment, Collectively Evaluated | 25,487 | 26,378 |  |
Loans and Leases Receivable, Gross, Total | 25,487 | 26,378 |  |
Allowance Allocation, Collectively Evaluated | 334 | 303 |  |
Loans and Leases Receivable, Allowance, Total | 334 | 303 | 251 | 250
Commercial | Commercial real estate |  |  |  |
Loans and Allowance for Loan Losses |  |  |  |
Recorded Investment, Individually Evaluated | 1,524 | 5,925 |  |
Recorded Investment, Collectively Evaluated | 520,582 | 488,778 |  |
Loans and Leases Receivable, Gross, Total | 522,106 | 494,703 |  |
Allowance Allocation, Individually Evaluated | 271 | 2,946 |  |
Allowance Allocation, Collectively Evaluated | 8,005 | 3,742 |  |
Loans and Leases Receivable, Allowance, Total | 8,276 | 6,688 | 5,843 | 6,279
Consumer |  |  |  |
Loans and Allowance for Loan Losses |  |  |  |
Recorded Investment, Individually Evaluated | 996 | 1,053 |  |
Recorded Investment, Collectively Evaluated | 707,051 | 720,001 |  |
Loans and Leases Receivable, Gross, Total | 708,047 | 721,054 |  |
Allowance Allocation, Individually Evaluated | 31 | 3 |  |
Allowance Allocation, Collectively Evaluated | 3,644 | 2,468 |  |
Loans and Leases Receivable, Allowance, Total | 3,675 | 2,471 | 2,720 | 2,341
Consumer | Residential | Real estate first mortgage |  |  |  |
Loans and Allowance for Loan Losses |  |  |  |
Recorded Investment, Individually Evaluated | 733 | 782 |  |
Recorded Investment, Collectively Evaluated | 457,162 | 456,373 |  |
Loans and Leases Receivable, Gross, Total | 457,895 | 457,155 |  |
Allowance Allocation, Collectively Evaluated | 2,209 | 1,448 |  |
Loans and Leases Receivable, Allowance, Total | 2,209 | 1,448 | 1,610 | 1,156
Consumer | Residential | Real estate junior lien |  |  |  |
Loans and Allowance for Loan Losses |  |  |  |
Recorded Investment, Individually Evaluated | 241 | 266 |  |
Recorded Investment, Collectively Evaluated | 170,297 | 177,107 |  |
Loans and Leases Receivable, Gross, Total | 170,538 | 177,373 |  |
Allowance Allocation, Individually Evaluated | 20 |  |  |
Allowance Allocation, Collectively Evaluated | 1,005 | 671 |  |
Loans and Leases Receivable, Allowance, Total | 1,025 | 671 | 761 | 805
Consumer | Other revolving and installment |  |  |  |
Loans and Allowance for Loan Losses |  |  |  |
Recorded Investment, Individually Evaluated | 22 | 5 |  |
Recorded Investment, Collectively Evaluated | 79,592 | 86,521 |  |
Loans and Leases Receivable, Gross, Total | 79,614 | 86,526 |  |
Allowance Allocation, Individually Evaluated | 11 | 3 |  |
Allowance Allocation, Collectively Evaluated | 430 | 349 |  |
Loans and Leases Receivable, Allowance, Total | $ 441 | $ 352 | $ 349 | $ 380

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