Description of Business and Summary of Significant Accounting Policies - Cash Paid for Interest (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Supplemental Cash Flow Information [Abstract]
Debt interest paid	$ 36,651	$ 40,935	$ 61,667
Capitalized interest		(515)	(620)
Cash paid for interest, net of capitalized interest	$ 36,651	$ 40,420	$ 61,047