Debt - Component of Debt (Parenthetical) (Detail)		6 Months Ended	12 Months Ended
	Jul. 08, 2015	Jun. 30, 2016	Dec. 31, 2015
Secured Debt [Member] | Senior Secured Credit Facilities [Member]
Debt Instrument [Line Items]
Debt, weighted-average interest rate of credit facility		3.91%	3.94%
Senior Notes [Member] | 5.875% Senior Notes due 2023 [Member]
Debt Instrument [Line Items]
Debt, interest rate	5.875%	5.875%	5.875%
Debt, due date	2023	2023	2023