Financial Instruments and Fair Value Measurements - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Fair Value Disclosures [Abstract]
Unrealized (gain) loss of indemnification assets	$ (9)	$ (6)	$ (12)	$ 173
Termination dates of contracts end			Sep. 30, 2015
Merger transaction completed date			Sep. 30, 2010
Unobservable inputs related to the Company's indemnification assets, discount rate			5.01%
Projected cash flows			$ 100