Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Additional Information (Detail)

v3.7.0.1
Segment Information - Additional Information (Detail)
$ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
Segment
Mar. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
Segment Reporting Information [Line Items]      
Number of reportable segments | Segment 2    
Revenues $ 2,178,170 $ 1,713,737  
Property and equipment 1,161,603   $ 1,174,094
Foreign Operations [Member]      
Segment Reporting Information [Line Items]      
Revenues 655,500 $ 352,400  
Property and equipment $ 329,100   $ 320,700
Foreign Operations [Member] | Canada [Member]      
Segment Reporting Information [Line Items]      
Percentage of foreign revenues 83.00% 78.00%