Fixed Assets and Asset Retirement Obligations (Depreciation and Depletion Expense) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Fixed Assets And Asset Retirement Obligations [Abstract]
Depreciation expense	$ 58,484,000	$ 54,486,000	$ 175,506,000	$ 161,433,000