Commitments and Contingencies - Additional Information (Detail) $ in Millions	6 Months Ended
	Jun. 30, 2016 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Operating leases future payments due	$ 21.4
Commitments under non-cancelable purchase orders	$ 1.6
Non-cancelable purchase order commitments period	These non-cancelable purchase order commitments will be filled at various times through the third quarter of 2017
Longest operating lease expiration period	2022-10