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Earnings Per Share (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2020

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The details of basic and diluted EPS are as follows (in thousands, except per share amounts):


		Nine Months Ended
		September 30,
		2019			2020
Numerator:
Net income		$	66,845		$	74,589
Less: Net income attributable to participating securities			(10)			(4)
Net income attributable to Class A and Class B common stockholders		$	66,835		$	74,585
Denominator:
Denominator for basic net income per share—weighted average shares			286,024,263			287,063,892
Effect of dilutive securities			8,562,091			10,187,457
Denominator for dilutive net income per share			294,586,354			297,251,349
Net income per share, basic		$	0.23		$	0.26
Net income per share, diluted		$	0.23		$	0.25


		Year Ended December 31,
		2018			2019
Numerator:
Net income		$	142,112		$	103,096
Less: Net income attributable to participating securities			(4)			(8)
Net income attributable to Class A and Class B common stockholders		$	142,108		$	103,088
Denominator:
Denominator for basic net income per share – weighted average shares			285,805,096			284,625,642
Effect of dilutive securities:
Stock options			6,819,400			9,171,065
Denominator for dilutive net income per share			292,624,496			293,796,707
Net income per share, basic		$	0.50		$	0.36
Net income per share, diluted		$	0.49		$	0.35