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Debt (Schedule of Obligations Under Debt Arrangements) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jan. 25, 2023	Dec. 31, 2022	May 17, 2022
Debt Instrument [Line Items]
Principal	$ 3,584,149		$ 3,506,284
Unamortized Premium, Discount and Debt Issuance Costs	48,622		42,130
Net Value	3,535,527		3,464,154
5.625% senior unsecured notes due 2024
Debt Instrument [Line Items]
Principal	0		341,135
Unamortized Premium, Discount and Debt Issuance Costs	0		1,249
Net Value			339,886
5.875% Alkali senior secured notes due 2042
Debt Instrument [Line Items]
Principal	400,000
Term Loan
Debt Instrument [Line Items]
Net Value	0
Credit Facility \| Revolving Credit Facility \| Revolving Loan
Debt Instrument [Line Items]
Principal	124,400		205,400
Unamortized Premium, Discount and Debt Issuance Costs	0		0
Net Value	124,400		205,400
Unamortized debt issuance costs	$ 6,800		$ 2,600
Senior Notes \| 5.625% senior unsecured notes due 2024
Debt Instrument [Line Items]
Interest rate	562.50%		562.50%
Senior Notes \| 6.500% senior unsecured notes due 2025
Debt Instrument [Line Items]
Interest rate	650.00%
Principal	$ 534,834		$ 534,834
Unamortized Premium, Discount and Debt Issuance Costs	2,968		3,265
Net Value	$ 531,866		$ 531,569
Senior Notes \| 6.250% senior unsecured notes due 2026
Debt Instrument [Line Items]
Interest rate	625.00%		625.00%
Principal	$ 339,310		$ 339,310
Unamortized Premium, Discount and Debt Issuance Costs	2,297		2,481
Net Value	$ 337,013		$ 336,829
Senior Notes \| 8.000% senior unsecured notes due 2027
Debt Instrument [Line Items]
Interest rate	800.00%		800.00%
Principal	$ 981,245		$ 981,245
Unamortized Premium, Discount and Debt Issuance Costs	4,595		4,956
Net Value	$ 976,650		$ 976,289
Senior Notes \| 7.750% senior unsecured notes due 2028
Debt Instrument [Line Items]
Interest rate	775.00%		775.00%
Principal	$ 679,360		$ 679,360
Unamortized Premium, Discount and Debt Issuance Costs	7,246		7,621
Net Value	$ 672,114		671,739
Senior Notes \| 5.875% Alkali senior secured notes due 2042
Debt Instrument [Line Items]
Interest rate	587.50%			5.875%
Principal	$ 425,000		425,000
Unamortized Premium, Discount and Debt Issuance Costs	22,369		22,558
Net Value	402,631		$ 402,442
2030 Notes \| Senior Notes
Debt Instrument [Line Items]
Interest rate		8.875%	8.875%
Principal	500,000		$ 0
Unamortized Premium, Discount and Debt Issuance Costs	9,147		0
Net Value	$ 490,853		$ 0