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DEBT - $400 Million Credit Facility (Details) $ in Thousands |  |  | 3 Months Ended |
--- | --- | --- | --- | ---
Nov. 14, 2016 USD ($) | Nov. 10, 2016 USD ($) item | Mar. 31, 2017 USD ($) item | Mar. 31, 2016 USD ($) | Dec. 31, 2016 USD ($)
Line of Credit Facility [Line Items] |  |  |  |  |
PIK interest |  |  | $ 2,303 |  | $ 800
Restricted cash non-current |  |  | 27,151 |  | 27,426
Repayment of the outstanding debt |  |  |  |  |
Principal, including PIK interest |  |  | 525,099 |  | 524,377
Secured Debt | $400 Million Credit Facility |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Maximum borrowing capacity |  | $ 400,000 | $ 400,000 |  | 400,000
Proceeds from issuance of secured debt | $ 400,000 |  |  |  |
Number of vessels mortgaged | item |  | 45 |  |  |
Number of remaining vessels to be sold | item |  | 5 |  |  |
Number of vessels contracted sold | item |  |  | 4 |  |
Number of vessels contracted to be sold | item |  |  | 1 |  |
Remaining borrowing capacity |  |  | $ 0 |  |
Repayments of Secured Debt |  |  | 100 | $ 0 |
Principal including PIK interest |  |  | 394,639 |  | 392,833
PIK interest (as a percent) |  | 1.50% |  |  |
PIK interest |  |  | 2,303 |  | 800
Minimum working capital required |  | $ 0 |  |  |
Maximum total indebtedness to total capitalization |  | 0.70% |  |  |
Restricted cash non-current |  |  | $ 11,180 |  | $ 11,180
Secured Debt | $400 Million Credit Facility | Through December 31, 2018 |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Amortization payments per quarter |  | $ 100 |  |  |
Minimum cash balance required per vessel owned |  | $ 250 |  |  |
Cash flow sweep (as a percent) |  | 100.00% |  |  |
Secured Debt | $400 Million Credit Facility | From March 31, 2019 through December 31, 2020 |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Amortization payments per quarter |  | $ 7,610 |  |  |
Secured Debt | $400 Million Credit Facility | From March 31, 2021 through September 30, 2021 |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Amortization payments per quarter |  | 18,571 |  |  |
Secured Debt | $400 Million Credit Facility | Period Upon Final Maturity On November 15 2021 |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Amortization payments per quarter |  | $ 282,605 |  |  |
Secured Debt | $400 Million Credit Facility | From June 30, 2018 to December 30, 2018 |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Collateral security maintenance test (as a percent) |  | 105.00% |  |  |
Secured Debt | $400 Million Credit Facility | From December 31, 2018 to December 30, 2020 |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Collateral security maintenance test (as a percent) |  | 115.00% |  |  |
Prepayment under cash sweep required |  | $ 0 |  |  |
Cash flow sweep (as a percent) |  | 75.00% |  |  |
Threshold initial aggregate prepayments limit for prepayment under cash sweep |  | $ 10,000 |  |  |
Secured Debt | $400 Million Credit Facility | After December 30, 2020 |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Collateral security maintenance test (as a percent) |  | 135.00% |  |  |
Secured Debt | $400 Million Credit Facility | After December 31, 2020 |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Vessel age repayment period |  | 15 years |  |  |
Cash flow sweep option one (as a percent) |  | 50.00% |  |  |
Secured Debt | $400 Million Credit Facility | From January 1, 2019 To December 31, 2019 |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Minimum cash balance required per vessel owned |  | $ 400 |  |  |
Secured Debt | $400 Million Credit Facility | After January 1, 2020 |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Minimum cash balance required per vessel owned |  | $ 700 |  |  |
Secured Debt | $400 Million Credit Facility | LIBOR |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Reference rate |  | three-month LIBOR |  |  |
Applicable margin over reference rate (as a percent) |  | 3.75% |  |  |

X
- Definition Amount of long-term debt including PIK interest before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. + References No definition available. + Details
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- Definition Represents the aggregate fair value of the mortgaged vessels to be maintained as a percentage of aggregate outstanding principal amount as per the terms of the credit facilities' covenants. + References No definition available. + Details
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- Definition Represents the number of remaining vessels to be sold. + References No definition available. + 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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