Financial Instruments and Fair Value Measurements - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Fair Value Disclosures [Abstract]
Termination dates of contracts end			Sep. 30, 2015
Unrealized gain (loss) recognized in other expenses	$ (300,000)	$ 2,000	$ (459,000)	$ 21,000
Merger Transaction completed Date			Sep. 30, 2010
Unobservable inputs related to the Company's indemnification assets, discount rate			5.53%
Projected cash flows			$ 1,600,000