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DEBT - Schedule of Carrying Values USD $ (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Aug. 30, 2020
Aug. 27, 2020
Jan. 18, 2017
2020 Exchangeable Notes          
Debt Instrument [Line Items]          
Principal $ 460,000,000 $ 460,000,000 $ 460,000,000 $ 460,000,000  
Conversion option (Level 2) 0      
Debt issuance costs, net of amortization (4,618,000) (5,975,000)      
Unamortized discount 0 (24,758,000)      
Net liability carrying amount 455,382,000 429,267,000      
Equity component - net carrying value   32,746,000      
2017 Exchangeable Notes          
Debt Instrument [Line Items]          
Principal 90,055,000 110,187,000     $ 90,055,000
Conversion option (Level 2) 122,323,000 292,940,000      
Debt issuance costs, net of amortization (335,000) (780,000)      
Unamortized discount (2,751,000) (6,401,000)      
Net liability carrying amount $ 209,292,000 395,946,000      
Equity component - net carrying value   $ 0