XML 89 R75.htm IDEA: XBRL DOCUMENT v3.21.1
INDEBTEDNESS - Convertible Note Hedge and Warrant Transactions Narrative (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 49 Months Ended
Nov. 13, 2020
Mar. 05, 2020
May 25, 2018
Mar. 06, 2017
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Debt Instrument [Line Items]              
Proceeds from issuance of warrants         $ 0 $ 99,500  
Convertible Debt              
Debt Instrument [Line Items]              
Conversion price of convertible debt (in USD per share)   $ 121.01 $ 77.85 $ 22.95      
Conversion price of convertible debt after effect of warrants and note hedge (in USD per share)   $ 161.34 $ 109.26 $ 31.18      
Convertible Debt | 2027 Notes              
Debt Instrument [Line Items]              
Conversion price of convertible debt (in USD per share) $ 299.13            
Conversion price of convertible debt after effect of warrants and note hedge (in USD per share) 414.18            
Convertible Debt | 2026 Notes              
Debt Instrument [Line Items]              
Conversion price of convertible debt (in USD per share) 299.13            
Conversion price of convertible debt after effect of warrants and note hedge (in USD per share) $ 368.16            
Common Stock Warrant, 2027 Notes              
Debt Instrument [Line Items]              
Warrants to purchase aggregate shares of capital stock (in shares) 1,920            
Warrants, weighted average exercise price (in USD per share) $ 414.18            
Proceeds from issuance of warrants $ 68,000            
Common Stock Warrant, 2026 Notes              
Debt Instrument [Line Items]              
Warrants to purchase aggregate shares of capital stock (in shares) 1,920            
Warrants, weighted average exercise price (in USD per share) $ 368.16            
Proceeds from issuance of warrants $ 64,600            
Common Stock Warrant, 2025 Notes              
Debt Instrument [Line Items]              
Warrants to purchase aggregate shares of capital stock (in shares)   8,260          
Warrants, weighted average exercise price (in USD per share)   $ 161.34          
Proceeds from issuance of warrants   $ 99,500          
Common Stock Warrant, 2023 Notes              
Debt Instrument [Line Items]              
Warrants to purchase aggregate shares of capital stock (in shares)     11,100        
Warrants, weighted average exercise price (in USD per share)     $ 109.26        
Proceeds from issuance of warrants     $ 112,100        
Common Stock Warrant, 2022 Notes              
Debt Instrument [Line Items]              
Warrants to purchase aggregate shares of capital stock (in shares)       19,200      
Warrants, weighted average exercise price (in USD per share)       $ 31.18      
Proceeds from issuance of warrants       $ 57,200      
Shares of common stock received due to exercise of note hedges (in shares)         5,300   14,700
Options Held              
Debt Instrument [Line Items]              
Warrants to purchase aggregate shares of capital stock (in shares) 1,920 8,260 11,100 19,200      
Convertible note hedge, option to purchase common stock, price (in USD per share) $ 299.13 $ 121.01 $ 77.85 $ 22.95      
Cost of convertible note hedge   $ 149,200 $ 172,600 $ 92,100      
Options Held | 2027 Notes              
Debt Instrument [Line Items]              
Cost of convertible note hedge $ 104,300            
Options Held | 2026 Notes              
Debt Instrument [Line Items]              
Cost of convertible note hedge $ 84,600