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Financial Instruments and Fair Value Measurements - Narrative (Details)
$ in Millions
9 Months Ended 12 Months Ended
Sep. 30, 2022
USD ($)
Dec. 31, 2021
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Convertible notes, carrying value $ 73.6 $ 73.0
Convertible notes, fair value $ 61.5 $ 69.5
Notes    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt instrument, remaining term 1 year 4 months 24 days 2 years 1 month 6 days
Notes | Convertible Debt | Measurement Input, Price Volatility    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt instrument, measurement input 0.775 0.640
Notes | Convertible Debt | Measurement Input, Risky Bond Rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt instrument, measurement input 0.2072 0.0885