Geographic Information and Business Segments - Revenues by Geographic Area (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues from External Customers [Line Items]
Total revenue	$ 1,878,718	$ 1,027,982	$ 702,272
United States
Revenues from External Customers [Line Items]
Total revenue	1,644,641	791,044	455,418
Ireland
Revenues from External Customers [Line Items]
Total revenue	81,531	97,637	139,642
United Kingdom
Revenues from External Customers [Line Items]
Total revenue	15,681	21,143	0
Singapore
Revenues from External Customers [Line Items]
Total revenue	136,161	113,891	106,813
Others
Revenues from External Customers [Line Items]
Total revenue	$ 704	$ 4,267	$ 399