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FAIR VALUE ACCOUNTING - Fair Value Measurements, Recurring and Nonrecurring (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Financial instruments fair value $ 155,297 $ 155,297   $ 61,857
Debt Security FV-NI, Interest 390 390    
Proceeds from convertible note redemption 20,000 20,000 $ 0  
Fair Value, Recurring        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Cash equivalents(1) 11,995 11,995   30,336
Investments accounted for at fair value 26,069 26,069   19,329
Fair Value, Recurring | Marketable Debt Securities        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Marketable Securities, Fair Value 69,418 69,418   11,125
Fair Value, Recurring | Convertible Note        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Marketable Securities, Fair Value 46,610 46,610    
Fair Value, Recurring | Marketable Equity Securities        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Marketable Securities, Fair Value 1,205 1,205   1,067
Level 1        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Financial instruments fair value 27,243 27,243   20,296
Level 1 | Fair Value, Recurring        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Cash equivalents(1) 0 0   0
Investments accounted for at fair value 26,063 26,063   19,263
Level 1 | Fair Value, Recurring | Marketable Debt Securities        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Marketable Securities, Fair Value 0 0   0
Level 1 | Fair Value, Recurring | Convertible Note        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Marketable Securities, Fair Value 0 0    
Level 1 | Fair Value, Recurring | Marketable Equity Securities        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Marketable Securities, Fair Value 1,180 1,180   1,033
Level 2        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Financial instruments fair value 81,444 81,444   41,561
Level 2 | Fair Value, Recurring        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Cash equivalents(1) 11,995 11,995   30,336
Investments accounted for at fair value 6 6   66
Level 2 | Fair Value, Recurring | Marketable Debt Securities        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Marketable Securities, Fair Value 69,418 69,418   11,125
Level 2 | Fair Value, Recurring | Convertible Note        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Marketable Securities, Fair Value 0 0    
Level 2 | Fair Value, Recurring | Marketable Equity Securities        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Marketable Securities, Fair Value 25 25   34
Level 3        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Financial instruments fair value 46,610 46,610   0
Level 3 | Fair Value, Recurring        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Cash equivalents(1) 0 0   0
Investments accounted for at fair value 0 0   0
Level 3 | Fair Value, Recurring | Marketable Debt Securities        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Marketable Securities, Fair Value 0 0   0
Level 3 | Fair Value, Recurring | Convertible Note        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Marketable Securities, Fair Value 46,610 46,610    
Level 3 | Fair Value, Recurring | Marketable Equity Securities        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Marketable Securities, Fair Value $ 0 $ 0   $ 0