XML 72 R61.htm IDEA: XBRL DOCUMENT v3.21.1
Employee Benefit Plans - Schedule of Assumptions to Estimate Fair Value of Stock Options on Weighted Average Basis (Details)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Share-based Payment Arrangement [Abstract]    
Risk-free interest rate 1.06% 1.47%
Expected term 6 years 21 days 6 years 3 months 18 days
Expected volatility 37.74% 29.63%
Expected dividend yield 0.00% 0.00%