Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended
	Jun. 23, 2015	Mar. 31, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Date of acquisition		Jun. 23, 2015
Business acquisition, asset acquired	$ 26,400
Business acquisition, payment in cash	17,700
Business Combination, promissory note	3,000
Estimated contingent consideration payable		$ 5,658	$ 5,658
Maximum
Business Acquisition [Line Items]
Total consideration paid	$ 71,000