Business Segment Information (Reconciliation of Segment Margin to Net Income) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting [Abstract]
Income (loss) from continuing operations before income taxes	$ 10,356,000	$ (3,976,000)	$ (26,061,000)	$ 8,186,000
Net income attributable to noncontrolling interests	(10,417,000)	(7,357,000)	(19,186,000)	(14,960,000)
Corporate general and administrative expenses	15,068,000	19,405,000	56,744,000	34,616,000
Depreciation, amortization and accretion	59,011,000	53,940,000	118,022,000	106,103,000
Interest expense, net	60,754,000	64,539,000	130,792,000	126,873,000
Adjustment to include distributable cash generated by equity investees not included in income and exclude equity in investees net income	5,595,000	4,879,000	11,687,000	11,687,000
Unrealized gains on derivative transactions excluding fair value hedges, net of changes in inventory value	(133,000)	(289,000)	(204,000)	(42,000)
Other non-cash items	(4,229,000)	(2,474,000)	(6,951,000)	(4,601,000)
Loss on extinguishment of debt (Note 10)	8,935,000	1,429,000	9,779,000	1,429,000
Differences in timing of cash receipts for certain contractual arrangements	(9,071,000)	7,820,000	(17,358,000)	15,892,000
Total Segment Margin	$ 135,869,000	$ 137,916,000	$ 257,264,000	$ 285,183,000