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Loans and Allowance - Non-accrual loans (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Financing Receivable Nonaccrual Status [Roll Forward] |  |
Balance | $ 1,947 | $ 3,270
Transfer into non-accrual | 4,240 | 3,494
Transfer to OREO |  | (705)
Loans paid down/payoffs | (1,268) | (3,235)
Loans return to accrual status | (221) | (448)
Loans charged off | (571) | (1,134)
Balance | 4,127 | 1,947
Consumer |  |
Financing Receivable Nonaccrual Status [Roll Forward] |  |
Balance | 186 | 185
Transfer into non-accrual | 135 | 290
Loans paid down/payoffs | (55) | (27)
Loans return to accrual status | (88) | (58)
Loans charged off | (41) | (204)
Balance | 137 | 186
Residential Real estate |  |
Financing Receivable Nonaccrual Status [Roll Forward] |  |
Balance | 956 | 2,124
Transfer into non-accrual | 571 | 246
Loans paid down/payoffs | (782) | (633)
Loans return to accrual status |  | (192)
Loans charged off | (17) | (589)
Balance | 728 | 956
Indirect |  |
Financing Receivable Nonaccrual Status [Roll Forward] |  |
Balance | 116 | 88
Transfer into non-accrual | 702 | 636
Loans paid down/payoffs | (76) | (132)
Loans return to accrual status | (133) | (135)
Loans charged off | (486) | (341)
Balance | 123 | 116
Commercial Mortgage Portfolio Segment |  |
Financing Receivable Nonaccrual Status [Roll Forward] |  |
Balance | 27 | 48
Transfer into non-accrual | 86 | 27
Loans paid down/payoffs | (86) | (48)
Loans charged off | (27) |
Balance |  | 27
Construction |  |
Financing Receivable Nonaccrual Status [Roll Forward] |  |
Balance |  | 318
Loans paid down/payoffs |  | (318)
Commercial Real Estate |  |
Financing Receivable Nonaccrual Status [Roll Forward] |  |
Balance | 662 | 507
Transfer into non-accrual | 2,746 | 2,295
Loans paid down/payoffs | (269) | (2,077)
Loans return to accrual status |  | (63)
Balance | $ 3,139 | $ 662

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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