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Loans and Asset Quality Information - Schedule of Impaired Loans (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Loans with no related allowance recorded: |  |
Impaired loans with no related allowance - Recorded Investment | $ 20,139 | $ 7,513
Impaired loans with no related allowance - Unpaid Principal Balance | 22,613 | 8,506
Impaired loans with no related allowance - Average Recorded Investment | 14,796 | 8,242
Loans with an allowance recorded: |  |
Impaired loans with allowance - Recorded Investment | 16,142 | 17,689
Impaired loans with allowance - Unpaid Principal Balance | 17,442 | 18,953
Impaired loans with related allowance - Related Allowance | 6,551 | 3,574
Impaired loans with related allowance - Average Recorded Investment | 16,634 | 13,664
Commercial, financial, and agricultural |  |
Loans with no related allowance recorded: |  |
Impaired loans with no related allowance - Recorded Investment | 3,688 | 16
Impaired loans with no related allowance - Unpaid Principal Balance | 4,325 | 19
Impaired loans with no related allowance - Average Recorded Investment | 750 | 74
Loans with an allowance recorded: |  |
Impaired loans with allowance - Recorded Investment | 4,012 | 4,941
Impaired loans with allowance - Unpaid Principal Balance | 4,398 | 4,995
Impaired loans with related allowance - Related Allowance | 3,546 | 1,791
Impaired loans with related allowance - Average Recorded Investment | 5,139 | 1,681
Real estate, commercial | Real estate – construction, land development & other land loans |  |
Loans with no related allowance recorded: |  |
Impaired loans with no related allowance - Recorded Investment | 554 | 221
Impaired loans with no related allowance - Unpaid Principal Balance | 694 | 263
Impaired loans with no related allowance - Average Recorded Investment | 308 | 366
Loans with an allowance recorded: |  |
Impaired loans with allowance - Recorded Investment | 123 | 575
Impaired loans with allowance - Unpaid Principal Balance | 131 | 575
Impaired loans with related allowance - Related Allowance | 30 | 50
Impaired loans with related allowance - Average Recorded Investment | 502 | 586
Real estate, commercial | Real estate – mortgage – commercial and other |  |
Loans with no related allowance recorded: |  |
Impaired loans with no related allowance - Recorded Investment | 11,763 | 2,643
Impaired loans with no related allowance - Unpaid Principal Balance | 13,107 | 3,328
Impaired loans with no related allowance - Average Recorded Investment | 9,026 | 3,240
Loans with an allowance recorded: |  |
Impaired loans with allowance - Recorded Investment | 6,819 | 6,927
Impaired loans with allowance - Unpaid Principal Balance | 7,552 | 7,914
Impaired loans with related allowance - Related Allowance | 2,175 | 983
Impaired loans with related allowance - Average Recorded Investment | 5,786 | 5,136
Real estate, mortgage | Real estate – mortgage – residential (1-4 family) first mortgages |  |
Loans with no related allowance recorded: |  |
Impaired loans with no related allowance - Recorded Investment | 4,115 | 4,300
Impaired loans with no related allowance - Unpaid Principal Balance | 4,456 | 4,539
Impaired loans with no related allowance - Average Recorded Investment | 4,447 | 4,415
Loans with an allowance recorded: |  |
Impaired loans with allowance - Recorded Investment | 5,188 | 5,246
Impaired loans with allowance - Unpaid Principal Balance | 5,361 | 5,469
Impaired loans with related allowance - Related Allowance | 800 | 750
Impaired loans with related allowance - Average Recorded Investment | 5,186 | 6,206
Real estate, mortgage | Real estate – mortgage – home equity loans / lines of credit |  |
Loans with no related allowance recorded: |  |
Impaired loans with no related allowance - Recorded Investment | 15 | 333
Impaired loans with no related allowance - Unpaid Principal Balance | 27 | 357
Impaired loans with no related allowance - Average Recorded Investment | 264 | 147
Loans with an allowance recorded: |  |
Impaired loans with allowance - Recorded Investment | 0 | 0
Impaired loans with allowance - Unpaid Principal Balance | 0 | 0
Impaired loans with related allowance - Related Allowance | 0 | 0
Impaired loans with related allowance - Average Recorded Investment | 21 | 55
Consumer loans |  |
Loans with no related allowance recorded: |  |
Impaired loans with no related allowance - Recorded Investment | 4 | 0
Impaired loans with no related allowance - Unpaid Principal Balance | 4 | 0
Impaired loans with no related allowance - Average Recorded Investment | 1 | 0
Loans with an allowance recorded: |  |
Impaired loans with allowance - Recorded Investment | 0 | 0
Impaired loans with allowance - Unpaid Principal Balance | 0 | 0
Impaired loans with related allowance - Related Allowance | 0 | 0
Impaired loans with related allowance - Average Recorded Investment | $ 0 | $ 0

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