Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments - Narrative (Details)

v3.22.2
Financial Instruments - Narrative (Details) - USD ($)
6 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Share price (in dollars per share) $ 8.24  
Accrued interest $ 171,000 $ 86,000
Allowance for credit loss 0 $ 0
1.75% Convertible Senior Notes due 2023    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Aggregated principal amount 23,512,000  
0% Convertible Senior Notes due 2025    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Aggregated principal amount 661,250,000  
0.5% Convertible Senior Notes Due 2027    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Aggregated principal amount $ 575,000,000  
Interest Rate Lock Commitments | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Loan commitments, term 30 days  
Interest Rate Lock Commitments | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Loan commitments, term 90 days