Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v3.20.4
Subsequent Events (Details)
$ / shares in Units, $ in Millions
Jan. 28, 2021
USD ($)
$ / shares
Dec. 31, 2020
$ / shares
Dec. 31, 2019
$ / shares
Subsequent Event [Line Items]      
Common stock, par value (in usd per share)   $ 0.0001 $ 0.0001
Subsequent Event      
Subsequent Event [Line Items]      
Common stock, par value (in usd per share) $ 0.0001    
Subsequent Event | Convertible Debt | Convertible Senior Notes Due 2026      
Subsequent Event [Line Items]      
Aggregate principal amount | $ $ 400.0    
Interest rate 0.00%    
Proceeds from notes | $ $ 389.0    
Initial conversion rate 0.0084807    
Conversion price (in usd per share) $ 117.91