Lines of Credit and Total Debt Obligations - Carrying Amount of Senior Notes (Details) - USD ($)	Dec. 31, 2021	Dec. 23, 2021	Sep. 17, 2021	Aug. 31, 2021	Dec. 31, 2020
Line of Credit Facility [Line Items]
Long-term debt	$ 1,481,781,000				$ 1,037,391,000
$250 million 5.500% senior notes due January 2024, net
Line of Credit Facility [Line Items]
Face amount	$ 250,000,000				$ 250,000,000
Stated interest rate (percent)	5.50%				5.50%
Long-term debt	$ 0				$ 249,233,000
$300 million 3.850% senior notes due January 2030, net
Line of Credit Facility [Line Items]
Face amount	$ 300,000,000				$ 300,000,000
Stated interest rate (percent)	3.85%	5.50%	5.50%	5.50%	3.85%
Long-term debt	$ 297,699,000				$ 297,458,000
$350 million 2.500% senior notes due January 2031, net
Line of Credit Facility [Line Items]
Face amount	$ 350,000,000				$ 350,000,000
Stated interest rate (percent)	2.50%				2.50%
Long-term debt	$ 347,126,000				$ 0
$500 million 6.000% senior notes due January 2043, net
Line of Credit Facility [Line Items]
Face amount	$ 500,000,000				$ 500,000,000
Stated interest rate (percent)	6.00%				6.00%
Long-term debt	$ 490,903,000				$ 490,700,000
$350 million 3.966% senior notes due August 2061, net
Line of Credit Facility [Line Items]
Face amount	$ 350,000,000			$ 350,000,000	$ 350,000,000
Stated interest rate (percent)	3.966%			3.966%	3.966%
Long-term debt	$ 346,053,000				$ 0