Senior Notes (Details) - USD ($) $ in Thousands						12 Months Ended
	Feb. 14, 2022	Jun. 23, 2021	Aug. 20, 2018	Sep. 12, 2016	May 21, 2015	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2021
Long-Term Debt [Line Items]
Senior Notes						$ 1,575,334	$ 1,572,210
Net loss on extinguishment of debt						$ 0	$ (67,605)	$ (2,139)
5.625% Senior Unsecured Notes Due 2025
Long-Term Debt [Line Items]
Senior Notes, interest rate, stated percentage					5.625%	5.625%	5.625%
Senior Notes, Principal amount					$ 500,000	$ 349,118	$ 349,118
Senior Notes, unamortized deferred financing costs						896	1,528
Unsecured Long-term Debt, Noncurrent						$ 348,222	$ 347,590
Proceeds from Debt, Net of Issuance Costs					491,000
Senior Notes Debt Issuance Costs					$ 9,000
6.75% Senior Unsecured Notes Due 2026
Long-Term Debt [Line Items]
Senior Notes, interest rate, stated percentage				6.75%		6.75%	6.75%
Senior Notes, Principal amount				$ 500,000		$ 419,235	$ 419,235
Senior Notes, unamortized deferred financing costs						1,868	2,569
Unsecured Long-term Debt, Noncurrent						$ 417,367	$ 416,666
Proceeds from Debt, Net of Issuance Costs				491,600
Senior Notes Debt Issuance Costs				$ 8,400
6.625% Senior Unsecured Notes Due 2027
Long-Term Debt [Line Items]
Senior Notes, interest rate, stated percentage			6.625%			6.625%	6.625%
Senior Notes, Principal amount			$ 500,000			$ 416,791	$ 416,791
Senior Notes, unamortized deferred financing costs						2,395	3,172
Unsecured Long-term Debt, Noncurrent						$ 414,396	$ 413,619
Proceeds from Debt, Net of Issuance Costs			492,100
Senior Notes Debt Issuance Costs			$ 7,900
6.5% Senior Unsecured Notes Due 2028
Long-Term Debt [Line Items]
Senior Notes, interest rate, stated percentage		6.50%				6.50%	6.50%
Senior Notes, Principal amount		$ 400,000				$ 400,000	$ 400,000
Senior Notes, unamortized deferred financing costs						4,651	5,665
Unsecured Long-term Debt, Noncurrent						395,349	394,335
Proceeds from Debt, Net of Issuance Costs		392,800
Senior Notes Debt Issuance Costs		$ 7,200
Senior Notes [Member]
Long-Term Debt [Line Items]
Senior Notes, Principal amount						1,585,144	1,585,144
Senior Notes, unamortized deferred financing costs						$ 9,810	$ 12,934
5.0% Senior Unsecured Notes Due 2024
Long-Term Debt [Line Items]
Senior Notes, interest rate, stated percentage	5.00%	5.00%
Senior Notes, repurchased, retired or redeemed face amount	$ 104,800	$ 172,300
Senior Unsecured Notes, Redemption Price, Percentage	100.00%
6.125% Senior Unsecured Notes Due 2022
Long-Term Debt [Line Items]
Senior Notes, interest rate, stated percentage		6.125%							6.125%
Senior Notes, repurchased, retired or redeemed face amount		$ 193,100							$ 19,300
6.125% Senior Unsecured Notes Due 2022 and 5.0% Senior Unsecured Notes Due 2024
Long-Term Debt [Line Items]
Senior Unsecured Notes, Settlement Amount								385,300
Net loss on extinguishment of debt								(2,100)
Debt Instrument, Repurchase Premium								600
6.125% Senior Unsecured Notes Due 2022 and 5.0% Senior Unsecured Notes Due 2024 | Accelerated Unamortized Deferred Financing Costs
Long-Term Debt [Line Items]
Write off of Deferred Debt Issuance Cost								$ 1,500