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Financial Instruments (Narrative) (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Feb. 09, 2021
Feb. 28, 2021
Jun. 30, 2022
Jun. 30, 2022
Financial Instruments [Line Items]        
Change in estimated fair value of the liability     $ 5,438 $ 6,501
Level 3 [Member]        
Financial Instruments [Line Items]        
Change in estimated fair value of the liability       $ 6,501
Convertible Senior Notes [Member]        
Financial Instruments [Line Items]        
Debt Instrument Face Amount $ 900,000 $ 900,000    
Debt Instrument Interest Rate Stated Percentage 1.50% 1.50%    
Debt Instrument, Maturity Date Feb. 15, 2028 Feb. 15, 2028    
Measurement Input, Discount Rate [Member] | Contingent consideration liability [Member] | Maximum [Member] | B Credit Rating [Member]        
Financial Instruments [Line Items]        
Debt Instrument Interest Rate Stated Percentage     10.20% 10.20%
Measurement Input, Discount Rate [Member] | Contingent consideration liability [Member] | Minimum [Member] | B- Credit Rating [Member]        
Financial Instruments [Line Items]        
Debt Instrument Interest Rate Stated Percentage     10.00% 10.00%