Equity Investees (Consolidated Financial Statements Related to Equity Investees) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Equity Method Investments and Joint Ventures [Abstract]
Genesis’ share of operating earnings	$ 16,058	$ 20,007
Amortization of differences attributable to Genesis’ carrying value of equity investments	(3,566)	(3,566)
Equity in earnings of equity investees	12,492	16,441
Distributions received	$ 18,584	$ 23,249