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 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Property Plant And Equipment [Abstract]        
Capital expenditures $ 67,600 $ 36,200 $ 109,000 $ 82,900
Asset impairment charges $ 151 $ 10,469 $ 151 $ 16,661