Quarterly report pursuant to Section 13 or 15(d)

Stock Award Plans and Stock Based Compensation - Valuation Assumptions (Details)

v3.21.2
Stock Award Plans and Stock Based Compensation - Valuation Assumptions (Details) - Options
6 Months Ended
Jun. 30, 2021
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Risk-free interest rate 0.59%
Expected life of option grants 5 years
Expected volatility of underlying stock 38.15%
Dividends assumption $ 0