Equity Incentive Plans - Summary of Options Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Summary of the activity of stock option awards, shares
Options outstanding, Beginning Balance (in Shares)	1,951
Options granted (in shares)	477
Options forfeited/canceled/expired (in shares)	(115)
Options outstanding, Ending Balance (in Shares)	2,313	1,951
Options vested and expected to vest (in Shares)	2,169
Options exercisable (in Shares)	1,303
Summary of the activity of stock option awards, weighted average exercise price
Options outstanding, Beginning Balance, Wtd. Avg. Exercise Price (in dollars per share)	$ 22.07
Options granted, Wtd. Avg. Exercise Price (in dollars per share)	7.52
Options forfeited/canceled/expired, Wtd. Avg. Exercise Price (in dollars per share)	16.38
Options outstanding, Ending Balance, Wtd. Avg. Exercise Price (in dollars per share)	19.35	$ 22.07
Options vested and expected to vest, Wtd. Average Exercise Price (in dollars per share)	19.84
Options exercisable, Wtd. Avg. Exercise Price (in dollars per share)	$ 24.22
Options outstanding, Ending Balance, Wtd. Avg. Remaining Contractual Term	7 years 2 months 15 days	6 years 7 months 13 days
Options vested and expected to vest, Wtd. Avg Remaining Contractual Term	7 years 8 months 12 days
Options exercisable, Wtd. Avg. Remaining Contractual Term	5 years 9 months
Options outstanding, Ending Balance, Average Intrinsic Value	$ 112
Options vested and expected to vest at March 31, 2021	$ 93