XML 103 R86.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Segments - Schedule of Information by Geographic Areas (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Segment Reporting Information [Line Items]                    
Revenues by geographic areas $ 514,841 $ 564,906 $ 559,911 $ 514,872 $ 516,159 $ 542,273 $ 522,219 $ 463,661 $ 2,154,530 $ 2,044,312