Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation - Grant date fair value of stock options (Details)

v3.22.1
Stock Based Compensation - Grant date fair value of stock options (Details)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Stock-Based Compensation    
Risk-free interest rate 0.70% 0.40%
Expected term (in years) 6 years 5 years 8 months 12 days
Expected volatility 31.40% 31.40%
Expected dividend yield 0.00% 0.00%