XML 55 R45.htm IDEA: XBRL DOCUMENT v3.20.2
SHARE BASED COMPENSATION, Option Granted to Eligible Persons (Details) - Share Options [Member]
9 Months Ended
Sep. 30, 2020
$ / shares
Estimated Fair Value of Options using the Black-Scholes Option Pricing Model [Abstract]  
Risk-free interest rates 1.66%
Expected term 7 years 6 months
Expected volatility 33.70%
Expected dividend yield 0.00%
Fair value of share options (in dollars per share) $ 50.58
Minimum [Member]  
Estimated Fair Value of Options using the Black-Scholes Option Pricing Model [Abstract]  
Risk-free interest rates 0.39%
Expected term 5 years 6 months
Expected volatility 32.40%
Fair value of share options (in dollars per share) $ 13.81