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COMMITMENTS AND CONTINGENCIES - Narrative (Details) - USD ($) | Jun. 30, 2018 | Dec. 31, 2017
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Other Commitments [Line Items] |  |
FHLB letters of credit | $ 2,000,000 |
Letters of credit |  |
Other Commitments [Line Items] |  |
Potential guarantee obligation | $ 0 | $ 0

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- Definition The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82913245&loc=d3e12069-110248 + Details
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