Segment Data and Revenue by Geographic Area - Schedule of Revenue by Geographic Area (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Segment Reporting Information [Line Items] | |||||||||||
| Revenues | $ 395,335 | $ 378,639 | $ 376,834 | $ 316,004 | $ 392,598 | $ 351,901 | $ 343,022 | $ 297,305 | $ 1,466,812 | $ 1,384,826 | $ 1,164,043 |
| United States | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Revenues | 1,456,673 | 1,366,330 | 1,155,210 | ||||||||
| International | |||||||||||
| Segment Reporting Information [Line Items] | |||||||||||
| Revenues | $ 10,139 | $ 18,496 | $ 8,833 | ||||||||
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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