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FAIR VALUE MEASUREMENTS (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Mar. 31, 2022 | Sep. 30, 2021 | Jun. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items] |  |  |  |  |  |
Goodwill impairment | $ 0 | $ 0 | $ 0 |  | $ 35,424,000 | $ 0
Long-lived asset impairment | 0 | $ 0 | 0 |  | 8,811,000 | 0
Right-of-use assets - operating leases, net | 1,769,000 |  | 6,781,000 |  | 8,389,000 | 6,781,000
Gain on sale of equity investments |  |  | 2,200,000 | $ 4,200,000 |  | 2,200,000
Other equity investments |  |  |  |  |  |
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items] |  |  |  |  |  |
Unrealized gain on investments |  |  | 89,100,000 |  |  | 89,100,000
Restructuring And Related Charges |  |  |  |  |  |
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items] |  |  |  |  |  |
Long-lived asset impairment | 1,800,000 |  |  |  | 2,900,000 |
Right-of-use assets - operating leases, net |  |  | $ 7,700,000 |  |  | $ 7,700,000
Long-Lived Asset Impairment |  |  |  |  |  |
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items] |  |  |  |  |  |
Long-lived asset impairment | $ 1,800,000 |  |  |  | $ 11,800,000 |

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