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LOANS AND ALLOWANCE FOR LOAN LOSSES - Troubled Debt Restructuring (Details) | 12 Months Ended
--- | ---
Dec. 31, 2017 USD ($) contract | Dec. 31, 2016 USD ($) contract
Financing Receivable, Modifications [Line Items] |  |
Total | $ 657,000 | $ 505,000
Specific reserves on TDRs | $ 17,000 | $ 4,000
Troubled Debt Restructurings: |  |
Number of Contracts | contract | 3,000 | 4,000
Pre-Modification Outstanding Recorded Investment | $ 392,000 | $ 338,000
Post-Modification Outstanding Recorded Investment | 375,000 | 334,000
Increase in allowance for loan losses due to TDRs | 0 | 0
Troubled debt restructuring charge-offs | $ 0 | $ 0
Commercial and industrial |  |
Troubled Debt Restructurings: |  |
Number of Contracts | contract | 2,000 | 1,000
Pre-Modification Outstanding Recorded Investment | $ 381,000 | $ 90,000
Post-Modification Outstanding Recorded Investment | $ 364,000 | $ 90,000
Commercial real estate |  |
Troubled Debt Restructurings: |  |
Number of Contracts | contract |  |
Pre-Modification Outstanding Recorded Investment | $ 0 |
Post-Modification Outstanding Recorded Investment | $ 0 |
Consumer |  |
Troubled Debt Restructurings: |  |
Number of Contracts | contract | 0 |
Pre-Modification Outstanding Recorded Investment | $ 0 |
Post-Modification Outstanding Recorded Investment | $ 0 |
1-4 family residential |  |
Troubled Debt Restructurings: |  |
Number of Contracts | contract | 1,000 | 3,000
Pre-Modification Outstanding Recorded Investment | $ 11,000 | $ 248,000
Post-Modification Outstanding Recorded Investment | $ 11,000 | 244,000
Farmland |  |
Troubled Debt Restructurings: |  |
Number of Contracts | contract | 0 |
Pre-Modification Outstanding Recorded Investment | $ 0 |
Post-Modification Outstanding Recorded Investment | $ 0 |
Multi-family residential |  |
Troubled Debt Restructurings: |  |
Number of Contracts | contract | 0 |
Pre-Modification Outstanding Recorded Investment | $ 0 |
Post-Modification Outstanding Recorded Investment | $ 0 |
Agricultural |  |
Troubled Debt Restructurings: |  |
Number of Contracts | contract | 0 |
Pre-Modification Outstanding Recorded Investment | $ 0 |
Post-Modification Outstanding Recorded Investment | 0 |
Nonaccrual TDRs |  |
Financing Receivable, Modifications [Line Items] |  |
Total | 0 | 43,000
Performing TDRs |  |
Financing Receivable, Modifications [Line Items] |  |
Total | $ 657,000 | $ 462,000

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- Definition Amount of allowance for credit losses related to receivables which had been measured under a general allowance for credit losses methodology that are now identified as troubled debt restructurings. + References No definition available. + Details
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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
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