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Derivative Instruments - Summary of Fair Value of Derivative Instruments (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Derivative Liability [Abstract] |  |
Total derivative instrument liabilities | $ 10,423 | $ 12,968
Derivative Asset [Abstract] |  |
Derivative instruments | 21,069 | 4,464
Total derivative instrument assets | 21,069 | 4,464
Interest rate swaps | Derivatives designated as hedging instruments: |  |
Derivative Liability [Abstract] |  |
Derivative liability, current | 2,626 | 5,218
Interest rate swaps | Derivatives not designated as hedging instruments: |  |
Derivative Liability [Abstract] |  |
Derivative liability, noncurrent | 324 | 330
Cross currency and interest rate swaps | Derivatives not designated as hedging instruments: |  |
Derivative Liability [Abstract] |  |
Derivative liability, noncurrent | 7,473 | 7,420
Contingent redemption features - Series A Preferred Stock | Derivatives not designated as hedging instruments: |  |
Derivative Asset [Abstract] |  |
Derivative instruments | $ 21,069 | $ 4,464

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