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DEBT - 2015 Revolving Credit Facility (Details) - Revolving Credit Facility - 2015 Revolving Credit Facility $ in Thousands |  |  |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 07, 2016 USD ($) | Oct. 14, 2015 USD ($) | Jul. 10, 2015 USD ($) | Apr. 08, 2015 USD ($) | Apr. 07, 2015 USD ($) installment | Dec. 31, 2015 USD ($) | Dec. 31, 2016 USD ($)
Line of Credit Facility |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  | $ 59,500 |  |
Quarterly reduction of total amount committed |  |  |  |  | $ 1,641 |  |
Number of quarterly installments | installment |  |  |  |  | 20 |  |
Period after agreement date for first periodic payment |  |  |  |  | 3 months |  |
Commitment fee on unused daily average unutilized commitment (as a percent) |  |  |  |  | 1.50% |  |
Drawdowns during the period |  | $ 21,218 | $ 10,000 | $ 25,000 |  | $ 56,218 |
Amount of amortization postponed from current due date | $ 1,641 |  |  |  |  |  |
Debt service required | $ 3,241 |  |  |  |  |  |
Long-term debt |  |  |  |  |  | $ 56,218 | $ 0
LIBOR |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |
Reference rate for interest payable |  |  |  |  | LIBOR |  |
Minimum | LIBOR |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |
Applicable margin over reference rate for interest payable |  |  |  |  | 3.40% |  |
Maximum | LIBOR |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |
Applicable margin over reference rate for interest payable |  |  |  |  | 4.25% |  |

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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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