Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS - Narrative (Details)

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FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2021
FAIR VALUE MEASUREMENTS          
Investment in equity securities         $ 20,000,000.0
Fair value of investments $ 0   $ 0    
Net unrealized loss on equity investment     625,000 $ 286,000  
Other investments in convertible debt instruments 2,000,000.0   2,000,000.0    
Transfers from Level 1 to Level 2 0 $ 0 0 0  
Transfers from Level 2 to Level 1 0 0 0 0  
Transfer into Level 3     0 0  
Transfer out of Level 3     0 0  
Interest and other (expense) income, net          
FAIR VALUE MEASUREMENTS          
Net unrealized loss on equity investment $ 0 $ 100,000 $ 0 $ 300,000