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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, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Equity Method Investments and Joint Ventures [Abstract] |  |  |
Genesis’ share of operating earnings | $ 73,389 | $ 79,510 | $ 71,975
Amortization of differences attributable to Genesis' carrying value of equity investments | (15,491) | (15,491) | (15,491)
Net equity in earnings | 57,898 | 64,019 | 56,484
Distributions received | $ 84,106 | $ 81,061 | $ 77,331

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