v3.25.3
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:        
Net income (loss) $ (427,519,000) $ 8,282,000    
Adjustments to reconcile net income (loss) to net cash provided by operating activities -        
Depreciation and amortization 188,007,000 233,221,000    
Amortization and write-off of debt issuance costs, premium and discount 10,154,000 10,319,000    
Loss from disposal of discontinued operations 432,193,000 0    
Equity in earnings of investments in equity investees (35,667,000) (40,288,000)    
Cash distributions of earnings of equity investees 35,240,000 40,144,000    
Non-cash effect of long-term incentive compensation plans 9,881,000 8,120,000    
Deferred and other tax liabilities (115,000) (1,192,000)    
Unrealized gains on derivative transactions (68,000) (9,364,000)    
Other, net 20,317,000 8,972,000    
Net changes in components of operating assets and liabilities (Note 15) (90,379,000) 59,752,000    
Net cash provided by operating activities 142,044,000 317,966,000    
CASH FLOWS FROM INVESTING ACTIVITIES:        
Payments to acquire fixed and intangible assets (163,108,000) (466,088,000)    
Proceeds from disposal of discontinued operations, net of cash divested 996,642,000 0    
Cash distributions received from equity investees - return of investment 17,347,000 18,685,000    
Investments in equity investees 0 (285,000)    
Proceeds from asset sales 970,000 11,302,000    
Net cash provided by (used in) investing activities 851,851,000 (436,386,000)    
CASH FLOWS FROM FINANCING ACTIVITIES:        
Borrowings on senior secured credit facility 664,900,000 1,060,000,000    
Repayments on senior secured credit facility (897,300,000) (1,150,700,000)    
Proceeds from issuance of senior unsecured notes (Note 10) 0 700,000,000    
Repayment of senior unsecured notes (414,370,000) (339,310,000)    
Repayment of Alkali senior secured notes 0 8,695,000    
Debt issuance costs (1,493,000) (17,685,000)    
Contributions from noncontrolling interests 48,652,000 25,290,000    
Distributions to noncontrolling interests (39,447,000) (29,439,000)    
Distributions to common unitholders (60,621,000) (55,110,000)    
Distributions to Class A Convertible Preferred unitholders (56,704,000) (65,682,000)    
Redemption of Class A Convertible Preferred Units (Note 11) (262,500,000) 0    
Other, net 351,000 3,481,000    
Net cash provided by (used in) financing activities (1,018,532,000) 122,150,000    
Net increase (decrease) in cash, cash equivalents and restricted cash (24,637,000) 3,730,000    
Cash, cash equivalents and restricted cash at beginning of period 4,915,000 31,768,000 $ 29,552,000 $ 28,038,000
Cash, cash equivalents, and restricted cash at beginning of period: discontinued operations 22,200,000 21,806,000    
Cash and cash equivalents at beginning of period: continuing operations 7,352,000 6,232,000    
Cash, cash equivalents and restricted cash at end of period 4,915,000 31,768,000 $ 29,552,000 $ 28,038,000
Cash, cash equivalents and restricted cash at end of period: discontinued operations 0 25,822,000    
Cash and cash equivalents at end of period: continuing operations $ 4,915,000 $ 5,946,000