Annual report pursuant to Section 13 and 15(d)

SEGMENT DATA Geographical Region Information (Details)

v3.10.0.1
SEGMENT DATA Geographical Region Information (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Concentration Risk [Line Items]                      
Revenue $ 2,601,855 $ 3,835,246 $ 2,868,315 $ 1,482,384 $ 2,320,450 $ 3,440,308 $ 2,683,585 $ 1,242,879 $ 10,787,800 $ 9,687,222 $ 7,826,336
Long-lived assets 946,593       885,936       946,593 885,936 751,536
Total Foreign Operations [Member]                      
Concentration Risk [Line Items]                      
Revenue                 3,661,222 3,408,661 2,436,033
Long-lived assets 199,299       201,724       199,299 201,724 174,160
Total Domestic Operations [Member]                      
Concentration Risk [Line Items]                      
Revenue                 7,126,578 6,278,561 5,390,303
Long-lived assets $ 747,294       $ 684,212       $ 747,294 $ 684,212 $ 577,376
Customer Concentration Risk [Member] | Sales Revenue, Net [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 0.00% 0.00% 0.00%