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Debt - 7.5% Notes Redemption (Details) - Long-term Debt [Member] - Senior secured notes due June 01, 2021 [Member] | 5 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2016 | Dec. 31, 2016
Debt Instrument, Redemption [Line Items] |  |
Redemptions rights after control change, percentage |  | 101.00%
Prior to June 1, 2016 [Member] |  |
Debt Instrument, Redemption [Line Items] |  |
Redemption price, percentage | 100.00% |
2017 [Member] |  |
Debt Instrument, Redemption [Line Items] |  |
Redemption price, percentage |  | 103.75%
2018 [Member] |  |
Debt Instrument, Redemption [Line Items] |  |
Redemption price, percentage |  | 101.875%
2019 and thereafter [Member] |  |
Debt Instrument, Redemption [Line Items] |  |
Redemption price, percentage |  | 100.00%

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- Definition After a change of control, details of effect on note. + References No definition available. + Details
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- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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