Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 8,686,815	$ 6,085,244
Other comprehensive income (loss) before reclassifications	22,231	22,346
Amounts reclassified from accumulated other comprehensive income (loss)	12,947	(6,990)
Total other comprehensive income	35,178	15,356
Ending balance	8,980,254	6,461,654
Foreign Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(15,678)	(895)
Other comprehensive income (loss) before reclassifications	1,430	(2,662)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0
Total other comprehensive income	1,430	(2,662)
Ending balance	(14,248)	(3,557)
On Available-For-Sale Debt Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	334	503
Other comprehensive income (loss) before reclassifications	(218)	(764)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0
Total other comprehensive income	(218)	(764)
Ending balance	116	(261)
On Foreign Currency Forward Contracts
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(53,136)	(1,581)
Other comprehensive income (loss) before reclassifications	21,019	25,772
Amounts reclassified from accumulated other comprehensive income (loss)	12,947	(6,990)
Total other comprehensive income	33,966	18,782
Ending balance	(19,170)	17,201
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(68,480)	(1,973)
Total other comprehensive income	35,178	15,356
Ending balance	$ (33,302)	$ 13,383