XML 268 R75.htm IDEA: XBRL DOCUMENT v3.22.0.1
Fair Value Measurements (Narrative) (Details)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Jun. 17, 2020
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Total long-term facilities $ 236,795,000 $ 650,675,000  
Embedded Derivative Financial Instruments      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
10 percent decrease in stock price volatility, fair value 166,100,000    
10 percent increase in stock price volatility, fair value $ 200,000,000    
Embedded Derivative Financial Instruments | Measurement Input, Stock Price Volatility      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Derivative liability, measurement input 0.33    
Capped Call      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
10 percent decrease in stock price volatility, fair value $ 119,600,000    
10 percent increase in stock price volatility, fair value 95,800,000    
Senior Notes      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Debt instrument, face amount     $ 287,500,000
Total long-term facilities $ 225,140,000 $ 212,073,000  
2020 Cash Exchangeable Senior Notes | Senior Notes      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Debt instrument, face amount     $ 287,500,000