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Loans - Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Loans on nonaccrual status |  |  |
Loans on nonaccrual status | $ 2,495 | $ 2,213 |
Increase in interest income if recognized on nonaccrual loans | 165 | 325 | $ 462
Real estate - residential mortgage |  |  |
Loans on nonaccrual status |  |  |
Loans on nonaccrual status | 1,526 | 594 |
Commercial, financial and agricultural | Commercial business lending |  |  |
Loans on nonaccrual status |  |  |
Loans on nonaccrual status | 11 | 24 |
Equity lines |  |  |
Loans on nonaccrual status |  |  |
Loans on nonaccrual status | 229 | 883 |
Consumer |  |  |
Loans on nonaccrual status |  |  |
Loans on nonaccrual status | 118 |  |
Consumer finance |  |  |
Loans on nonaccrual status |  |  |
Loans on nonaccrual status | $ 611 | $ 712 |

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- Definition Amount of financing receivable on nonaccrual status. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919258-210447 + Details
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- Definition Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118939409&loc=d3e18794-111554 + Details
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