Equity Investees (Consolidated Financial Statements Related to Equity Investees) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Equity Method Investments and Joint Ventures [Abstract]
Genesis’ share of operating earnings	$ 24,533	$ 18,032
Amortization of excess purchase price	(3,873)	(3,873)
Net equity in earnings	20,660	14,159
Distributions received	$ 29,516	$ 20,565

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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