Other Accrued Expenses and Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Accrued Liabilities And Other Liabilities Current [Abstract]
Accrued restructuring	$ 1,495	$ 633
Accrued professional fees	3,925	1,731
Income taxes payable	291	282
Other accrued expenses	2,275	3,189
Total	$ 7,986	$ 5,835