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INVESTMENTS - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Sep. 30, 2021
Sep. 30, 2022
Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]          
Available-for-sale securities and fair value option investments       $ 0 $ 0
Gain on sale of equity investments $ 2,200,000 $ 4,200,000 $ 2,200,000    
Other equity investments          
Schedule of Equity Method Investments [Line Items]          
Equity method investments       $ 119,500,000 $ 119,500,000
Equity method investment, percent ownership of voting stock       2.29%  
Unrealized gain on investments $ 89,100,000   $ 89,100,000    
Percentage of other equity investment sold 100.00%        
Proceed from sale of equity method investments $ 2,600,000 $ 4,200,000