CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (33,007,000)	$ 146,347,000	$ 129,135,000
Adjustments to reconcile net income (loss) to net cash provided by operating activities -
Depreciation, depletion and amortization	313,158,000	280,189,000	296,205,000
Gain on sale of assets	0	0	(40,000,000)
Impairment expense	43,003,000	0	0
Amortization and write-off of debt issuance costs, premium and discount	14,639,000	12,889,000	9,271,000
Equity in earnings of investments in equity investees	(58,291,000)	(66,198,000)	(54,206,000)
Cash distributions of earnings of equity investees	58,291,000	64,972,000	55,571,000
Non-cash effect of long-term incentive compensation plans	5,234,000	25,379,000	17,810,000
Deferred and other tax liabilities	291,000	(624,000)	2,355,000
Cancellation of debt income	0	0	(8,618,000)
Unrealized losses (gains) on derivative transactions	(7,837,000)	36,635,000	(5,823,000)
Other, net	25,389,000	17,363,000	20,513,000
Net changes in components of operating assets and liabilities	31,064,000	4,174,000	(87,818,000)
Net cash provided by operating activities	391,934,000	521,126,000	334,395,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Payments to acquire fixed and intangible assets	(587,145,000)	(620,019,000)	(424,195,000)
Cash distributions received from equity investees—return of investment	23,461,000	26,050,000	19,646,000
Investments in equity investees	(285,000)	(4,489,000)	(10,301,000)
Proceeds from asset sales	11,805,000	478,000	40,331,000
Other, net	0	4,332,000	0
Net cash used in investing activities	(552,164,000)	(593,648,000)	(374,519,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings on senior secured credit facility	1,407,500,000	1,183,566,000	971,500,000
Repayments on senior secured credit facility	(1,414,800,000)	(1,090,666,000)	(815,100,000)
Proceeds from issuance of senior unsecured notes (Note 11)	1,300,000,000	1,093,766,000	0
Repayment of senior unsecured notes (Note 11)	(926,903,000)	(875,969,000)	(72,241,000)
Proceeds from issuance of Alkali senior secured notes (Note 11)	0	0	408,000,000
Repayment of Alkali senior secured notes (Note 11)	(11,618,000)	0	0
Redemption of redeemable NCI preferred units (Note 12)	0	0	(288,629,000)
Debt issuance costs	(27,858,000)	(24,765,000)	(6,019,000)
Redemption of Class A Convertible Preferred Units (Note 12)	0	(75,000,000)	0
Contributions from noncontrolling interests	36,045,000	75,240,000	22,839,000
Distributions to noncontrolling interests	(36,585,000)	(44,579,000)	(31,867,000)
Distributions to Class A Convertible Preferred unitholders (Note 12)	(87,576,000)	(93,930,000)	(74,736,000)
Distributions to common unitholders (Note 12)	(75,317,000)	(73,530,000)	(73,548,000)
Repurchase of Class A Common Units (Note 12)	0	(1,044,000)	0
Other, net	(1,144,000)	904,000	1,500,000
Net cash provided by financing activities	161,744,000	73,993,000	41,699,000
Net increase in cash and cash equivalents and restricted cash	1,514,000	1,471,000	1,575,000
Cash and cash equivalents and restricted cash at beginning of period	28,038,000	26,567,000	24,992,000
Cash and cash equivalents and restricted cash at end of period	$ 29,552,000	$ 28,038,000	$ 26,567,000