Fair Value of Financial Instruments - Estimated Fair Value of Private Placement Warrants Publicly Traded Stock Pricing Approach (Detail) (USD $)	0 Months Ended	6 Months Ended	12 Months Ended
	Jun. 06, 2012	Jun. 30, 2014 Private Placement [Member]	Dec. 31, 2013 Private Placement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Market value of the Company's common stock		$ 71.97	$ 75.10
Exercise price		13.00	13.00
Risk-free interest rate	0.92%	0.41%	0.51%
Estimated price volatility	55.00%	42.50%	42.50%
Contractual term		1 year 9 months 29 days	2 years 3 months 29 days
Dividend yield