Summary of Significant Accounting Policies - Schedule of Revenues by Geographic Location (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Geographic Information      
Revenue by region: $ 1,170,947 $ 1,094,274 $ 903,374
Current assets: 961,970 983,252  
Long-term assets:      
OTHER ASSETS 17,021 16,143  
Intangible assets 150,643 191,001  
GOODWILL 92,873 92,873  
U.S.      
Geographic Information      
Revenue by region: 966,929 884,600 700,090
Current assets: 551,799 546,533 402,481
Long-term assets:      
OTHER ASSETS 382,029 312,243 360,641
Ireland      
Geographic Information      
Revenue by region: 3,195 4,915 9,706
Current assets: 407,791 433,837 403,167
Long-term assets:      
OTHER ASSETS 217,887 245,638 278,701
Intangible assets 150,643 191,001 256,168
GOODWILL 92,873 92,873 92,873
Rest of world      
Geographic Information      
Revenue by region: 200,823 204,759 193,578
Current assets: $ 2,381 $ 2,882 $ 3,196