Equity Investees (Consolidated Financial Statements Related to Equity Investees) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Equity Method Investments and Joint Ventures [Abstract]
Amortization of differences attributable to Genesis’ carrying value of equity investments	$ (3,566)	$ (3,566)	$ (10,698)	$ (10,698)
Distributions received	18,488	23,629	58,829	68,141
Equity in earnings of equity investees	11,634	17,242	40,288	49,606
Genesis’ share of operating earnings	$ 15,200	$ 20,808	$ 50,986	$ 60,304