Guarantor and Non-Guarantor Subsidiaries - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	May 27, 2010	May 11, 2010
Debt Instrument [Line Items]
Senior notes stated percentage	7.375%
Senior Notes [Member]
Debt Instrument [Line Items]
Senior Notes, principal amount		$ 450,000
Senior notes stated percentage	8.50%		8.50%
Senior notes maturity	2018