Senior Notes - Carrying Amount of Senior Notes (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Aug. 31, 2021
Debt Instrument [Line Items]
Carrying Amount	$ 1,481,976	$ 1,481,781
3.850% Senior Notes due January 2030, net
Debt Instrument [Line Items]
Interest rate, stated percentage	3.85%	5.50%	5.50%	5.50%
Carrying Amount	$ 297,760	$ 297,699
2.500% Senior Notes due January 2031, net
Debt Instrument [Line Items]
Interest rate, stated percentage	2.50%
Carrying Amount	$ 347,197	347,126
6.000% Senior Notes due January 2043, net
Debt Instrument [Line Items]
Interest rate, stated percentage	6.00%
Carrying Amount	$ 490,956	490,903
3.966% Senior Notes due August 2061, net
Debt Instrument [Line Items]
Interest rate, stated percentage	3.966%
Carrying Amount	$ 346,063	$ 346,053