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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
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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