XML 48 R38.htm IDEA: XBRL DOCUMENT v3.23.1
Convertible Senior Notes, Net - Additional Information (Details)
1 Months Ended 3 Months Ended 10 Months Ended 19 Months Ended
Mar. 31, 2021
USD ($)
$ / shares
Jun. 30, 2020
USD ($)
$ / shares
Mar. 31, 2023
USD ($)
day
shares
Dec. 31, 2021
USD ($)
Dec. 31, 2021
Dec. 31, 2022
USD ($)
Mar. 03, 2021
$ / shares
Jun. 10, 2020
$ / shares
2025 Convertible senior notes                
Debt Instrument [Line Items]                
Aggregate principal amount   $ 172,500,000            
Notes interest rate   3.00% 3.00%          
Proceeds from issuance of convertible senior notes   $ 165,800,000            
Purchase of capped call transactions   $ 22,500,000            
Initial conversion rate   5.62635%            
Initial conversion price (in dollars per share) | $ / shares   $ 17.77            
Notes, threshold percentage of stock price trigger     130.00%          
Notes, threshold trading days | day     20          
Notes, threshold consecutive trading days | day     30          
Percentage on aggregate principal amount of notes to be payable upon the event of default     25.00%          
Interest rate used to compute initial fair value of liability   5.67%            
Fair value of liability   $ 152,700,000            
Discount on initial issuance   19,800,000            
Debt issuance costs   6,700,000            
Equity component of convertible senior notes, net of issuance costs   800,000            
Liability component recorded as a reduction in carrying value of debt   $ 5,900,000            
Amortization period   5 years            
Effective interest rate     3.74%   6.40%      
Long-term debt     $ 172,500,000          
Principal     $ 172,500,000          
Debt instrument, term     5 years          
2025 Convertible senior notes | Capped Call Transactions                
Debt Instrument [Line Items]                
Payment to counterparties for purchased calls   $ 22,500,000            
Common stock subject to adjustment and exercisable upon conversion of initial notes (in shares) | shares     9,705,454          
Cap price of capped transactions (in dollars per share) | $ / shares               $ 27.88
Cap price as percentage on common stock price per share               100.00%
Closing price of common stock (in dollars per share) | $ / shares               $ 13.94
Reduction to additional paid premium payments for capped call transactions   22,500,000            
2025 Convertible senior notes | Conversion Option One                
Debt Instrument [Line Items]                
Notes, threshold percentage of stock price trigger     130.00%          
Notes, threshold trading days | day     20          
Notes, threshold consecutive trading days | day     30          
2025 Convertible senior notes | Conversion Option Two                
Debt Instrument [Line Items]                
Notes, threshold percentage of stock price trigger     98.00%          
Notes, threshold trading days | day     5          
Notes, threshold consecutive trading days | day     5          
2025 Convertible senior notes | Initial Purchasers                
Debt Instrument [Line Items]                
Aggregate principal amount   $ 22,500,000            
2028 Convertible senior notes                
Debt Instrument [Line Items]                
Aggregate principal amount $ 287,500,000              
Notes interest rate 1.00%   1.00%          
Proceeds from issuance of convertible senior notes $ 278,100,000              
Purchase of capped call transactions $ 33,700,000              
Initial conversion rate 3.14465%              
Initial conversion price (in dollars per share) | $ / shares $ 31.80              
Interest rate used to compute initial fair value of liability 7.18%              
Fair value of liability $ 191,300,000              
Discount on initial issuance 96,200,000              
Debt issuance costs 9,400,000              
Equity component of convertible senior notes, net of issuance costs       $ 3,100,000        
Liability component recorded as a reduction in carrying value of debt $ 6,300,000              
Amortization period 7 years              
Effective interest rate     1.45%          
Long-term debt     $ 287,500,000          
Debt instrument, term     7 years          
2028 Convertible senior notes | Capped Call Transactions                
Debt Instrument [Line Items]                
Payment to counterparties for purchased calls $ 33,700,000              
Common stock subject to adjustment and exercisable upon conversion of initial notes (in shares) | shares     9,040,869          
Cap price of capped transactions (in dollars per share) | $ / shares             $ 48.00  
Cap price as percentage on common stock price per share             100.00%  
Closing price of common stock (in dollars per share) | $ / shares             $ 24.00  
Reduction to additional paid premium payments for capped call transactions 33,700,000              
2028 Convertible senior notes | Initial Purchasers                
Debt Instrument [Line Items]                
Aggregate principal amount $ 37,500,000              
2025 Notes                
Debt Instrument [Line Items]                
Liability component recorded as a reduction in carrying value of debt     $ 2,896,000     $ 3,204,000    
Long-term debt     169,604,000     169,296,000    
Principal     172,500,000     172,500,000    
2028 Notes                
Debt Instrument [Line Items]                
Liability component recorded as a reduction in carrying value of debt     6,623,000     6,948,000    
Effective interest rate       7.50%        
Long-term debt     280,877,000     280,552,000    
Principal     $ 287,500,000     $ 287,500,000