Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement [Abstract]

Stock Option Activity

Stock option activity during the three months ended March 31, 2020, was as follows (in thousands, except per share amounts):

	Stock Options Outstanding
	Shares	Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Term	Aggregate Intrinsic Value (1)
				(in years)
Outstanding as of December 31, 2019	56,966	$	2.25	3.5	$	933,299
Granted	1,130	22.35
Exercised	(8,923)	2.28
Outstanding as of March 31, 2020	49,173	$	2.71	3.4	$	625,770
Exercisable as of March 31, 2020	48,105	$	2.28	3.3	$	632,999

(1)We calculate intrinsic value based on the difference between the exercise price of in-the-money-stock options and the fair value of our common stock as of the respective balance sheet date.

Restricted Stock Unit Activity

RSU activity during the three months ended March 31, 2020, was as follows (in thousands, except per share amounts):

	Restricted Stock Units Outstanding
	Shares	Weighted Average Grant Date Fair Value
Outstanding as of December 31, 2019	56,791	$	20.19
Granted	4,853	22.02
Released	(5,296)	19.04
Forfeited	(2,643)	19.20
Outstanding as of March 31, 2020	53,705	$	20.51

Share-Based Compensation Expense

Share-based compensation expense during the three months ended March 31, 2020 and 2019, was as follows (in thousands):

	Three Months Ended March 31,
	2020		2019
Cost of revenue	$	1,426	$	15
Research and development	48,906		626
Sales and marketing	13,919		29
General and administrative	16,773		24
Total share-based compensation	$	81,024	$	694