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FAIR VALUE MEASUREMENTS (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
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
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial assets remeasured	0	0
Financial liabilities remeasured	0	0
Level 2 | Fair Value, Measurements, Recurring
Assets:
Fair value of other assets	35,531,000	30,512,000
Fair value of total financial assets	38,180,000	32,538,000
Liabilities:
Fair value of total financial liabilities	35,761,000	30,145,000
Level 2 | Fair Value, Measurements, Recurring | NQDC Plan liability
Liabilities:
Fair value of other current liabilities	2,649,000	2,026,000
Fair value of other long-term liabilities	33,112,000	28,119,000
Level 2 | Fair Value, Measurements, Recurring | NQDC Plan assets
Assets:
Fair value of other current assets	2,649,000	2,026,000
Fair value of other assets	33,112,000	28,119,000
Level 2 | Fair Value, Measurements, Recurring | Restricted Investments
Assets:
Fair value of other assets	$ 2,419,000	$ 2,393,000

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