Accumulated Other Comprehensive Loss (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 1,865,494,000	$ 1,274,911,000	$ 1,967,732,000	$ 1,211,018,000
Consensus separation adjustment			141,000
Net current period other comprehensive loss	(24,265,000)	3,256,000	(26,474,000)	(5,168,000)
Ending balance	1,794,196,000	1,294,500,000	1,794,196,000	1,294,500,000
Other comprehensive loss reclassifications	0		0
Accumulated other comprehensive loss
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(59,431,000)	(63,230,000)	(57,222,000)	(54,806,000)
Other comprehensive loss before reclassification	(24,265,000)		(30,530,000)
Consensus separation adjustment	0		4,056,000
Net current period other comprehensive loss	(24,265,000)		(26,474,000)
Ending balance	(83,696,000)	$ (59,974,000)	(83,696,000)	$ (59,974,000)
Unrealized Gains (Losses) on Investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	169,000		169,000
Other comprehensive loss before reclassification	0		0
Consensus separation adjustment			0
Net current period other comprehensive loss	0		0
Ending balance	169,000		169,000
Foreign Currency Translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(59,600,000)		(57,391,000)
Other comprehensive loss before reclassification	(24,265,000)		(30,530,000)
Consensus separation adjustment			4,056,000
Net current period other comprehensive loss	(24,265,000)		(26,474,000)
Ending balance	$ (83,865,000)		$ (83,865,000)