Long-Term Debt - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Long Term Debt [Abstract]
Interest expense on debt	$ 2,574	$ 686
Non-cash interest expense	$ 782	$ 33
Debt discount, remaining amortization period	5 years