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LOANS AND ALLOWANCE FOR LOAN LOSSES - Number of Loans Modified and Their Pre-Modification and Post-Modification Investment Balances (Details) - Commercial real estate - Owner-occupied $ in Thousands | 3 Months Ended
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Mar. 31, 2018 USD ($) contract | Mar. 31, 2017 USD ($) contract
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | contract | 0 | 1
Pre- Modification Recorded Investment | $ 0 | $ 63
Post Modification Recorded Investment | $ 0 | $ 63

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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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- Definition Post-modification amount of investment in financing receivables 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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