XML 55 R44.htm IDEA: XBRL DOCUMENT v3.22.2
CONVERTIBLE SENIOR NOTES AND CAPPED CALLS - Narrative (Details)
$ / shares in Units, shares in Millions
1 Months Ended 3 Months Ended
Dec. 31, 2021
USD ($)
Nov. 30, 2019
USD ($)
Feb. 28, 2019
USD ($)
d
$ / shares
shares
Jun. 30, 2022
USD ($)
Apr. 01, 2022
USD ($)
Mar. 31, 2022
USD ($)
Debt Instrument [Line Items]            
Accumulated deficit       $ 745,809,000   $ 766,438,000
Additional paid-in capital       (895,602,000)   (956,599,000)
Convertible senior notes, net       494,444,000   447,452,000
Convertible Debt | Accounting Standards Update 2020-06            
Debt Instrument [Line Items]            
Accumulated deficit         $ 46,700,000  
Additional paid-in capital         92,800,000  
Convertible senior notes, net         $ 46,200,000  
Convertible Debt | Convertible Senior Notes            
Debt Instrument [Line Items]            
Debt instrument, face value     $ 287,500,000 $ 500,000,000   $ 500,000,000
Debt instrument, interest rate     0.50%      
Net proceeds from issuance of convertible senior notes     $ 245,800,000      
Debt instrument, convertible, conversion ratio     0.0389484      
Common stock, par value per share (in dollars per share) | $ / shares     $ 0.001      
Debt instrument, convertible, conversion price (in dollars per share) | $ / shares     $ 25.68      
Debt instrument, convertible, threshold trading days | d     20      
Debt instrument, convertible, threshold consecutive trading days | d     30      
Debt instrument, convertible, threshold percentage of stock price trigger     130.00%      
Debt instrument, convertible, measurement period | d     5      
Debt instrument, convertible, threshold consecutive trading days preceding measurement period | d     10      
Debt instrument, threshold percentage of sales price per share     98.00%      
Debt instrument, redemption price, percentage     100.00%      
Unamortized debt discount and issuance costs       19 months    
Debt instrument, strike price per share (in dollars per share) | $ / shares     $ 25.68      
Debt instrument, initial cap price per share (in dollars per share) | $ / shares     $ 39.50      
Convertible Debt | Convertible Senior Notes | Call Option            
Debt Instrument [Line Items]            
Option indexed to issuer's equity, indexed shares (in shares) | shares     14.1      
Convertible Debt | First Additional Notes            
Debt Instrument [Line Items]            
Debt instrument, face value   $ 75,000,000        
Debt instrument, interest rate   0.50%        
Net proceeds from issuance of convertible senior notes   $ 64,600,000        
Convertible Debt | Second Additional Notes            
Debt Instrument [Line Items]            
Debt instrument, face value $ 137,500,000          
Debt instrument, interest rate 0.50%          
Net proceeds from issuance of convertible senior notes $ 134,300,000          
Convertible Debt | Aggregate Notes            
Debt Instrument [Line Items]            
Debt instrument, face value $ 500,000,000.0