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UNCONSOLIDATED AFFILIATES (Tables) | 12 Months Ended
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Dec. 31, 2022
Schedule of Equity Method Investments [Line Items] |
Schedule of Equity Method Investments | The following table sets forth our investments in unconsolidated affiliates as of the dates indicated:
|  | Net Ownership Interest |  | December 31, 2022 |  | December 31, 2021
|  |  |  | (Thousands of dollars)
Overland Pass |  | 50% |  | $ | 401,244 |  |  | $ | 403,011 |
Northern Border |  | 50% |  | 265,096 |  |  | 283,170 |
Roadrunner |  | 50% |  | 94,271 |  |  | 70,777 |
Other |  | Various |  | 41,183 |  |  | 40,655 |
Investments in unconsolidated affiliates (a) |  | $ | 801,794 |  |  | $ | 797,613 |
(a) - Equity-method goodwill (Note A) was $16.5 million at December 31, 2022 and 2021.
Equity In Net Earnings From Investments |
Schedule of Equity Method Investments [Line Items] |
Schedule of Equity Method Investments | The following table sets forth our equity in net earnings from investments for the periods indicated:
|  | Years Ended December 31,
|  | 2022 |  | 2021 |  | 2020
|  | (Thousands of dollars)
Northern Border |  | $ | 71,106 |  |  | $ | 64,470 |  |  | $ | 75,409 |
Roadrunner |  | 37,114 |  |  | 33,293 |  |  | 29,017 |
Overland Pass |  | 32,519 |  |  | 19,434 |  |  | 38,618 |
Other |  | 6,981 |  |  | 5,323 |  |  | 197 |
Equity in net earnings from investments |  | $ | 147,720 |  |  | $ | 122,520 |  |  | $ | 143,241 |
Impairment of equity investments |  | $ | — |  |  | $ | — |  |  | $ | (37,730) |

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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