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INCOME TAXES - Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
INCOME TAXES |  |  |
Income taxes at statutory rate | $ 135,335 | $ 134,849 | $ 38,595
Less: Income taxes at statutory rate on Partnership income not subject to income taxes | (119,556) | (113,925) | (37,546)
Increase/(decrease) resulting from: |  |  |
State taxes, net of federal income tax | 864 | 1,492 | 275
Change in valuation allowance of deferred tax assets |  | (317) | (834)
Deferred taxes related to tax election |  | 37,253 |
Tax effect of noncontrolling interest income not subject to income taxes | (1,361) | (5,399) |
Return to accrual adjustments | (7,008) | 69 | (1)
Other | 6 | (44) | (72)
Income tax expense | $ 8,280 | $ 53,978 | $ 417

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