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DEBT - Summary of Interest Rates for Each Revolver Draw (Details) - Revolving credit facility - USD ($) | Aug. 15, 2017 | Jul. 18, 2017 | Jul. 03, 2017 | Jun. 30, 2017
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$69 Million Revolver Draw |  |  |  |
Debt Disclosure [Line Items] |  |  |  |
Line of credit facility, interest rate at period end |  |  |  | 2.65%
Revolving credit facility |  |  |  | $ 69,000,000
$18 Million Revolver Draw |  |  |  |
Debt Disclosure [Line Items] |  |  |  |
Line of credit facility, interest rate at period end |  |  |  | 2.66%
Revolving credit facility |  |  |  | $ 18,000,000
$16 Million Revolver Draw |  |  |  |
Debt Disclosure [Line Items] |  |  |  |
Line of credit facility, interest rate at period end |  |  |  | 2.68%
Revolving credit facility |  |  |  | $ 16,000,000
$48 Million Revolver Draw |  |  |  |
Debt Disclosure [Line Items] |  |  |  |
Line of credit facility, interest rate at period end |  |  |  | 2.70%
Revolving credit facility |  |  |  | $ 48,000,000
$30 Million Revolver Draw |  |  |  |
Debt Disclosure [Line Items] |  |  |  |
Line of credit facility, interest rate at period end |  |  |  | 2.93%
Revolving credit facility |  |  |  | $ 30,000,000
Scenario, forecast | $69 Million Revolver Draw |  |  |  |
Debt Disclosure [Line Items] |  |  |  |
Line of credit facility, interest reset rate |  |  | 2.80% |
Scenario, forecast | $18 Million Revolver Draw |  |  |  |
Debt Disclosure [Line Items] |  |  |  |
Line of credit facility, interest reset rate |  | 2.80% |  |
Scenario, forecast | $16 Million Revolver Draw |  |  |  |
Debt Disclosure [Line Items] |  |  |  |
Line of credit facility, interest reset rate | 2.82% |  |  |

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- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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