XML 96 R76.htm IDEA: XBRL DOCUMENT v3.20.4
Stock Plans and Stock-Based Compensation - Schedule of Stock Option Activity (Details)
12 Months Ended
Dec. 31, 2020
$ / shares
shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Stock options outstanding, Beginning Balance | shares 723,383
Stock options outstanding, Exercised | shares (323,838)
Stock options outstanding, Forfeited | shares (120,524)
Stock options outstanding, Ending Balance | shares 279,021
Weighted average exercise price, Beginning Balance | $ / shares $ 26.56
Weighted average exercise price, Exercised | $ / shares 25.20
Weighted average exercise price, Forfeited | $ / shares 32.57
Weighted average exercise price, Ending Balance | $ / shares $ 25.55