Equity - Rollforward of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Loss [Line Items]
Beginning balance	$ 2,005,525	$ 1,791,691	$ 1,392,024
Unrealized gains (losses), net of tax	12,668	(15,738)	(15,212)
Ending balance	2,543,861	2,005,525	1,791,691
Foreign Currency
Accumulated Other Comprehensive Loss [Line Items]
Beginning balance	(64,272)	(65,685)	(65,496)
Unrealized gains (losses), net of tax	258	1,413	(189)
Ending balance	(64,014)	(64,272)	(65,685)
Other
Accumulated Other Comprehensive Loss [Line Items]
Beginning balance	(27,172)	(10,021)	5,002
Unrealized gains (losses), net of tax	12,410	(17,151)	(15,023)
Ending balance	(14,762)	(27,172)	(10,021)
Total
Accumulated Other Comprehensive Loss [Line Items]
Beginning balance	(91,444)	(75,706)	(60,494)
Ending balance	$ (78,776)	$ (91,444)	$ (75,706)