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Loans - Impaired Loans (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Impaired loans |  |
Impaired loans, troubled debt restructurings | $ 3,580 | $ 4,350
Impaired loans, Unpaid Principal Balance | 6,420 | 5,511
Impaired loans, Recorded Investment in Loans without Specific Reserve | 1,042 | 2,227
Impaired loans, Recorded Investment in Loans with Specific Reserve | 5,236 | 3,047
Impaired loans, Related Allowance | 879 | 267
Impaired loans, Average Balance | 6,603 | 5,242
Impaired loans, Interest Income Recognized | 183 | 239
Real estate - residential mortgage |  |
Impaired loans |  |
Impaired loans, Unpaid Principal Balance | 2,326 | 3,891
Impaired loans, Recorded Investment in Loans without Specific Reserve | 931 | 2,192
Impaired loans, Recorded Investment in Loans with Specific Reserve | 1,279 | 1,479
Impaired loans, Related Allowance | 77 | 72
Impaired loans, Average Balance | 2,353 | 3,506
Impaired loans, Interest Income Recognized | 105 | 155
Commercial, financial and agricultural | Commercial real estate lending |  |
Impaired loans |  |
Impaired loans, Unpaid Principal Balance | 1,397 | 1,459
Impaired loans, Recorded Investment in Loans without Specific Reserve |  | 4
Impaired loans, Recorded Investment in Loans with Specific Reserve | 1,397 | 1,447
Impaired loans, Related Allowance | 89 | 77
Impaired loans, Average Balance | 1,404 | 1,581
Impaired loans, Interest Income Recognized | 73 | 82
Commercial, financial and agricultural | Commercial business lending |  |
Impaired loans |  |
Impaired loans, Unpaid Principal Balance | 2,430 |
Impaired loans, Recorded Investment in Loans with Specific Reserve | 2,428 |
Impaired loans, Related Allowance | 585 |
Impaired loans, Average Balance | 2,573 |
Equity lines |  |
Impaired loans |  |
Impaired loans, Unpaid Principal Balance | 120 | 31
Impaired loans, Recorded Investment in Loans without Specific Reserve | 111 | 31
Impaired loans, Average Balance | 119 | 32
Impaired loans, Interest Income Recognized | 2 | 2
Consumer |  |
Impaired loans |  |
Impaired loans, Unpaid Principal Balance | 147 | 130
Impaired loans, Recorded Investment in Loans with Specific Reserve | 132 | 121
Impaired loans, Related Allowance | 128 | 118
Impaired loans, Average Balance | 154 | $ 123
Impaired loans, Interest Income Recognized | $ 3 |

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