Common Stock (Tables)

9 Months Ended

Sep. 30, 2019

Equity [Abstract]

Schedule of Common Stock Reserved for Future Issuance

Shares of common stock reserved for future issuance, on an as-if converted basis, are as follows:

	September 30, 2019	December 31, 2018
	(in thousands)
Conversion of redeemable convertible preferred stock	—	165,658
Stock options issued and outstanding	21,878	25,087
Remaining shares available for issuance under the 2010 Plan	—	13,356
Remaining shares available for issuance under the 2019 Plan	29,387	—
Redeemable convertible preferred stock warrants outstanding	—	177
Outstanding and unsettled RSUs	6,185	—
Shares available for issuance under the ESPP	5,870	—
Total shares of common stock reserved	63,320	204,278