Annual report pursuant to Section 13 and 15(d)

Fair Value Measurement - Schedule of Changes in Estimated Fair Value of Contingent Consideration Liability (Detail)

v3.6.0.2
Fair Value Measurement - Schedule of Changes in Estimated Fair Value of Contingent Consideration Liability (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Fair Value Disclosures [Abstract]    
Fair value beginning balance $ 1,800
Change in fair value (1,800)
Fair value ending balance