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FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Assets and Liabilities Measured at Fair Value on a Recurring Basis      
Carrying value of investments in equity securities without readily determinable fair value $ 14,200,000   $ 14,200,000
Gross unrealized losses of downward adjustments to the carrying value of equity securities without readily determinable fair values 2,100,000    
Impairment charge on equity securities without readily determinable fair value $ 0 $ 0