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FINANCING ARRANGEMENTS - Schedule of Notes (Details) - Senior Notes - 1.125% Convertible Senior Notes Due 2026 - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Apr. 30, 2021
Mar. 31, 2021
Debt Instrument [Line Items]        
Principal amount $ 230,000 $ 230,000 $ 230,000 $ 200,000
Less: debt discount (6,219) (6,597)    
Net carrying amount of liability $ 223,781 $ 223,403