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Debt, Net - Encore Senior Secured Notes - Narrative (Details) - Senior Notes - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2018 | Aug. 31, 2017
Debt Instrument [Line Items] |  |
Basis spread over the current Treasury Rate (as a percent) | 50.00% |
2017 Senior Secured Notes |  |
Debt Instrument [Line Items] |  |
Debt issued | $ 325,000,000 | $ 325,000,000.0
Stated interest rate (as a percent) | 5.625% |
Senior secured notes, periodic principal repayment | $ 16,300,000.0 |

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