XML 83 R73.htm IDEA: XBRL DOCUMENT v3.21.1
Stock-Based Compensation Narrative (Details)
$ in Millions
3 Months Ended
Mar. 31, 2021
USD ($)
shares
Share-based Payment Arrangement, Option [Member]  
[Line Items]  
Compensation cost not yet recognized | $ $ 2.1
Unrecognized compensation expense, Expected weighted average period for recognition (years) 1 year 8 months 12 days
Restricted Stock Units (RSUs) [Member]  
[Line Items]  
Compensation cost not yet recognized | $ $ 43.4
Unrecognized compensation expense, Expected weighted average period for recognition (years) 2 years
Employee Stock Purchase Plan [Member]  
[Line Items]  
Share-based compensation arrangement by share-based payment award, number of shares available for grant (in shares) 169,194
Stock Incentive Plan [Member]  
[Line Items]  
Share-based compensation arrangement by share-based payment award, number of shares authorized (in shares) 12,623,538
Share-based compensation arrangement by share-based payment award, number of shares available for grant (in shares) 5,334,496
Reduction in stock options available for issue 1
Authorized share reserve reduction in awards other than stock options or share appreciation rights available for issue, conversion ratio 1.7