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LOANS AND ALLOWANCE FOR LOAN LOSSES - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | $ 4,004 | $ 4,409
Interest income if accrual method | 173 | 24
Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 77 | 82
Construction and development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 0 | 1,825
Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 1,422 | 415
Farmland |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 163 | 176
1-4 family residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 1,937 | 1,699
Multi-family residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 217 | 5
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | 138 | 192
Agricultural |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans | $ 50 | $ 15

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- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18794-111554 + Details
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