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FAIR VALUE MEASUREMENTS - Schedule of Financial Assets and Liabilities Measured at Fair Value (Details) - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
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Quoted Price in Active Markets For Identical Assets (Level 1) |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Financial assets remeasured | $ 0 | $ 0
Financial liabilities remeasured | 0 | 0
Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of other assets | 30,512,000 | 22,296,000
Fair value of financial assets, Total | 32,538,000 | 24,950,000
Fair value of current liabilities |  | 18,579,000
Fair value of other long-term liabilities |  | 19,867,000
Fair value of financial liabilities, Total | 30,145,000 | 38,446,000
Fair Value, Measurements, Recurring | NQDC Plan liability |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of current liabilities | 2,026,000 | 2,654,000
Fair value of other long-term liabilities | 28,119,000 | 19,867,000
Fair Value, Measurements, Recurring | Contingent consideration |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of current liabilities |  | 15,925,000
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of other assets | 30,512,000 | 22,296,000
Fair value of financial assets, Total | 32,538,000 | 24,950,000
Fair value of current liabilities |  | 2,654,000
Fair value of other long-term liabilities |  | 19,867,000
Fair value of financial liabilities, Total | 30,145,000 | 22,521,000
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | NQDC Plan liability |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of current liabilities | 2,026,000 | 2,654,000
Fair value of other long-term liabilities | 28,119,000 | 19,867,000
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Contingent consideration |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of current liabilities |  | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of other assets | 0 | 0
Fair value of financial assets, Total | 0 | 0
Fair value of current liabilities |  | 15,925,000
Fair value of other long-term liabilities |  | 0
Fair value of financial liabilities, Total | 0 | 15,925,000
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | NQDC Plan liability |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of current liabilities | 0 | 0
Fair value of other long-term liabilities | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Contingent consideration |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of current liabilities |  | 15,925,000
Fair Value, Measurements, Recurring | NQDC Plan assets |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of other current assets | 2,026,000 | 2,654,000
Fair value of other assets | 28,119,000 | 19,867,000
Fair Value, Measurements, Recurring | NQDC Plan assets | Significant Other Observable Inputs (Level 2) |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of other current assets | 2,026,000 | 2,654,000
Fair value of other assets | 28,119,000 | 19,867,000
Fair Value, Measurements, Recurring | NQDC Plan assets | Significant Unobservable Inputs (Level 3) |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of other current assets | 0 | 0
Fair value of other assets | 0 | 0
Fair Value, Measurements, Recurring | Restricted investments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of other assets | 2,393,000 | 2,429,000
Fair Value, Measurements, Recurring | Restricted investments | Significant Other Observable Inputs (Level 2) |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of other assets | 2,393,000 | 2,429,000
Fair Value, Measurements, Recurring | Restricted investments | Significant Unobservable Inputs (Level 3) |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Fair value of other assets | $ 0 | $ 0

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