XML 108 R88.htm IDEA: XBRL DOCUMENT v3.22.4
Equity Incentive Plans and Stock-Based Compensation (Details 3) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Stock options      
Valuation assumptions      
Dividend yield     0.00%
Expected stock price volatility rate     38.00%
Risk free interest rate     0.20%
Expected term     5 years 6 months
Weighted-average grant-date fair value of stock options granted     $ 5.46
Contingently issuable ESPP shares      
Valuation assumptions      
Expected stock price volatility rate, minimum 40.00% 32.00% 37.00%
Expected stock price volatility rate, maximum 44.00% 33.00% 46.00%
Risk free interest rate     0.10%
Risk free interest rate, minimum 1.49% 0.04%  
Risk free interest rate, maximum 4.58% 0.05%  
Expected term 6 months 6 months 6 months
Weighted-average fair value of purchase rights granted under the purchase plan $ 8.02 $ 5.17 $ 3.46