SHARE BASED COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2020

SHARE BASED COMPENSATION [Abstract]

Assumptions Used for Estimated Fair Value of Options

The Company calculated the estimated fair value of the options on the respective grant dates using the Black-Scholes option pricing model with the following assumptions.

	Granted in 2020
Risk-free interest rates		0.39% – 1.66	%
Expected term	5.5 – 7.5 years
Expected volatility		32.4% – 33.7	%
Expected dividend yield		–
Fair value of share options	$	13.81 – $50.58

Total Compensation Expense of RSAs, RSUs and SARs Granted to Employees

Total compensation expense relating to options, RSAs, RSUs and SARs granted to Eligible Persons after deducting forfeitures recognized for the nine months ended September 30, 2019 and 2020, respectively, is as follows:

	For the Nine Months ended September 30,
	2019		2020
	$_		$_
Share options:
Cost of revenue		212		97
Sales and marketing expenses		121		50
General and administrative expenses		49,309		123,426
Research and development expenses		437		307
		50,079		123,880
RSAs and RSUs:
Cost of revenue		1,158		3,150
Sales and marketing expenses		1,973		7,007
General and administrative expenses		20,712		24,218
Research and development expenses		7,353		30,305
		31,196		64,680
SARs:
Cost of revenue		192		1,826
Sales and marketing expenses		462		3,583
General and administrative expenses		198		2,139
Research and development expenses		7		291
		859		7,839
Total		82,134		196,399