Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Additional Information (Detail)

v3.5.0.2
Property and Equipment - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Property Plant And Equipment [Abstract]        
Capital expenditures $ 46,100 $ 44,200 $ 155,100 $ 127,100
Asset impairment charges $ 6,089 $ 37 $ 6,240 $ 16,698