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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, 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

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