CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (393,240,000)	$ (33,007,000)	$ 146,347,000
Adjustments to reconcile net income (loss) to net cash provided by operating activities -
Depreciation, depletion and amortization	250,934,000	313,158,000	280,189,000
Impairment expense	0	43,003,000	0
Net changes in components of operating assets and liabilities (See Note 16)	432,193,000	0	0
Amortization and write-off of debt issuance costs, premium and discount	12,908,000	14,639,000	12,889,000
Equity in earnings of investments in equity investees	(47,629,000)	(58,291,000)	(66,198,000)
Cash distributions of earnings of equity investees	47,145,000	58,291,000	64,972,000
Non-cash effect of long-term incentive compensation plans	15,251,000	5,234,000	25,379,000
Deferred and other tax liabilities	573,000	291,000	(624,000)
Unrealized losses (gains) on derivative transactions	(117,000)	(7,837,000)	36,635,000
Other, net	23,993,000	25,389,000	17,363,000
Net changes in components of operating assets and liabilities	(89,185,000)	31,064,000	4,174,000
Net cash provided by operating activities	252,826,000	391,934,000	521,126,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Payments to acquire fixed and intangible assets	(186,888,000)	(587,145,000)	(620,019,000)
Proceeds from Divestiture of Businesses, Net of Cash Divested	996,642,000	0	0
Cash distributions received from equity investees—return of investment	22,393,000	23,461,000	26,050,000
Investments in equity investees	(892,000)	(285,000)	(4,489,000)
Proceeds from asset sales	1,039,000	11,805,000	478,000
Other, net	0	0	4,332,000
Net cash provided by (used in) investing activities	832,294,000	(552,164,000)	(593,648,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings on senior secured credit facility	866,600,000	1,407,500,000	1,183,566,000
Repayments on senior secured credit facility	(1,151,200,000)	(1,414,800,000)	(1,090,666,000)
Proceeds from issuance of senior unsecured notes (Note 11)	0	1,300,000,000	1,093,766,000
Repayment of senior unsecured notes (Note 11)	(414,370,000)	(926,903,000)	(875,969,000)
Repayment of Alkali senior secured notes	0	(11,618,000)	0
Debt issuance costs	(1,494,000)	(27,858,000)	(24,765,000)
Redemption of Class A Convertible Preferred Units (Note 12)	(262,500,000)	0	(75,000,000)
Contributions from noncontrolling interests	68,454,000	36,045,000	75,240,000
Distributions to noncontrolling interests	(58,527,000)	(36,585,000)	(44,579,000)
Distributions to Class A Convertible Preferred unitholders (Note 12)	(71,572,000)	(87,576,000)	(93,930,000)
Distributions to common unitholders (Note 12)	(80,828,000)	(75,317,000)	(73,530,000)
Repurchase of Class A Common Units (Note 12)	0	0	(1,044,000)
Other, net	(2,798,000)	(1,144,000)	904,000
Net cash provided by (used in) financing activities	(1,108,235,000)	161,744,000	73,993,000
Net increase (decrease) in cash and cash equivalents and restricted cash	(23,115,000)	1,514,000	1,471,000
Cash and cash equivalents and restricted cash at beginning of period	6,437,000	29,552,000	28,038,000	$ 26,567,000
Cash and cash equivalents and restricted cash at beginning of period	7,352,000	6,232,000	2,138,000
Cash, cash equivalents, and restricted cash at beginning of period: discontinued operations	22,200,000	21,806,000	24,429,000
Cash, cash equivalents and restricted cash at end of period	6,437,000	29,552,000	28,038,000
Cash and cash equivalents at end of period: continuing operations	6,437,000	7,352,000	6,232,000
Cash, cash equivalents and restricted cash at end of period: discontinued operations	$ 0	$ 22,200,000	$ 21,806,000