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INCOME TAXES - Tax election (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Taxes |  |  |  |
Deferred tax liability | $ 35,126 | $ 350 |  |
Income tax expense | $ 53,978 | $ 417 | $ 35 |
Earnings per limited partner unit - basic (in dollars per unit) | $ 4.39 | $ 1.36 | $ (1.02) |
Earnings per limited partner unit - diluted (in dollars per unit) | $ 4.39 | $ 1.36 | $ (1.02) |
AllDale I and II |  |  |  |
Taxes |  |  |  |
Non - cash acquisition gain recognized |  |  |  | $ 177,000
Change in tax accounting |  |  |  |
Taxes |  |  |  |
Deferred tax liability | $ 37,300 |  |  |
Income tax expense | $ 37,300 |  |  |
Earnings per limited partner unit - basic (in dollars per unit) | $ 0.29 |  |  |
Earnings per limited partner unit - diluted (in dollars per unit) | $ 0.29 |  |  |

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