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UNCONSOLIDATED AFFILIATES (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity in net earnings from investments | $ 39,180 | $ 28,573 | $ 111,150 | $ 87,613
Unconsolidated Affiliates [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Related Party Transaction, Expenses from Transactions with Related Parties | 25,400 | 16,200 | 55,500 | 44,200
Northern Border Pipeline |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity in net earnings from investments | 16,744 | 14,634 | 53,216 | 47,459
Roadrunner |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity in net earnings from investments | 9,600 | 8,056 | 28,041 | 23,407
Overland Pass Pipeline |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity in net earnings from investments | 10,486 | 5,241 | 23,379 | 12,952
Other Unconsolidated Affiliates |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity in net earnings from investments | $ 2,350 | $ 642 | $ 6,514 | $ 3,795

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