Net Loss and Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of Earnings Per Share Basic and Diluted

The following table sets forth the computation of the basic and diluted net loss per share (in thousands, except share and per share data):

	Year Ended December 31,				Period From November 30, 2017 (Inception) to December 31,
	2019		2018		2017
Numerator:
Net loss	$	(184,594)	$	(211,505)	$	(2)
Denominator:
Weighted average common shares outstanding	101,061,149		28,948,386		26,249,993
Net loss per share, basic and diluted	$	(1.83)	$	(7.31)	$	—

Schedule of Anti-dilutive Shares Excluded from Calculation of Diluted Net Loss Per Share

Potentially dilutive securities that were not included in the diluted per share calculations because they would be anti-dilutive were as follows:

	Year Ended December 31,		Period From November 30, 2017 (Inception) to December 31,
	2019	2018	2017
Stock options to purchase common stock	9,190,522	7,235,545	—
Restricted stock units subject to vesting	1,941,155	—	—
Expected shares purchased under Employee Stock Purchase Plan	195,161	144,272	—
Founder shares subject to future vesting	13,629,803	19,687,487	—
Early exercised stock options subject to future vesting	2,992,290	5,020,580	—
Total	27,948,931	32,087,884	—