Parent, Issuers, Guarantor and Non Guarantor Condensed Consolidated Financial Statements - (Details)	Dec. 31, 2017
Guarantor Subsidiaries
Condensed Balance Sheet Statements Captions [Line Items]
Percentage of guarantor subsidiaries owned by parent	100.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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