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Long-Term Debt - Redemption Price Percentage of Senior Secured Notes (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2015
2016 [Member] | 7.75% Senior Secured Notes Due 2019 [Member]
Debt Instrument [Line Items]
Redemption price	103.875%
2016 [Member] | 12.0% Senior Secured Notes [Member]
Debt Instrument [Line Items]
Redemption price	106.00%
2017 [Member] | 7.75% Senior Secured Notes Due 2019 [Member]
Debt Instrument [Line Items]
Redemption price	101.938%
2017 [Member] | 12.0% Senior Secured Notes [Member]
Debt Instrument [Line Items]
Redemption price	103.00%
2018 and Thereafter [Member] | 7.75% Senior Secured Notes Due 2019 [Member]
Debt Instrument [Line Items]
Redemption price	100.00%
2018 and Thereafter [Member] | 12.0% Senior Secured Notes [Member]
Debt Instrument [Line Items]
Redemption price	100.00%

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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

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