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Equity Investees (Consolidated Financial Statements Related to Equity Investees) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Equity Method Investments and Joint Ventures [Abstract] |  |
Genesis’ share of operating earnings | $ 21,119 | $ 16,010
Amortization of differences attributable to Genesis’ carrying value of equity investments | (3,566) | (3,566)
Net equity in earnings | 17,553 | 12,444
Distributions received | $ 23,834 | $ 19,018

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