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FAIR VALUE ACCOUNTING (Tables)
3 Months Ended
Mar. 31, 2022
Fair Value Disclosures [Abstract]  
Fair Value Measurements, Recurring and Nonrecurring
As of March 31, 2022, the fair values of cash and cash equivalents, restricted cash, short-term deposits, receivables, accounts payable and accrued liabilities approximate their carrying values because of the short-term nature of these instruments.
Level 1Level 2Level 3Total
Investments at fair value$35,091 $545 $— $35,636 
Marketable equity securities611 — — 611 
$35,702 $545 $— $36,247