Related Party Transactions - Summary of Related Party Transactions (Detail) (Affiliated Entity [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Affiliated Entity [Member]
Related Party Transaction [Line Items]
Tax, utility, insurance and other reimbursement	$ 336	$ 234	$ 248
Rent expense	977	572	572
Capital assets acquired	625	568	1,807
Total	$ 1,938	$ 1,374	$ 2,627