Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2020

Accounting Policies [Abstract]

Schedule of Weighted Average Number of Shares

The following table presents a reconciliation of the weighted average number of shares of our Class A and Class B common stock used to compute net income per common share (in thousands):

	Three Months Ended September 30,		Nine Months Ended September 30,
	2020	2019	2020	2019
Weighted average common shares outstanding	34,301	34,050	34,246	33,995
Less: Weighted average unvested restricted shares subject to repurchase	5	3	5	4
Weighted average common shares outstanding; basic	34,296	34,047	34,241	33,991
Plus: Weighted average options, restricted stock units and restricted shares used to compute diluted net income per common share	1,369	1,374	1,421	1,415
Weighted average common shares outstanding; diluted	35,665	35,421	35,662	35,406