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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% |

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