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Equity Investees (Consolidated Financial Statements Related to Equity Investees) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Equity Method Investments and Joint Ventures [Abstract] |  |  |
Genesis’ share of operating earnings | $ 80,461 | $ 68,469 | $ 73,389
Amortization of differences attributable to Genesis’ carrying value of equity investments | (14,263) | (14,263) | (15,491)
Net equity in earnings | 66,198 | 54,206 | 57,898
Distributions earned(1) | $ 90,833 | $ 75,406 | $ 84,106

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