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, 2022	Dec. 31, 2021
Summary of the activity of stock option awards, shares
Options outstanding, Beginning Balance (in Shares)	1,847
Options granted (in shares)	340
Options forfeited/canceled/expired (in shares)	(83)
Options outstanding, Ending Balance (in Shares)	2,104	1,847
Options vested and expected to vest (in Shares)	1,996
Options exercisable (in Shares)	1,329
Summary of the activity of stock option awards, weighted average exercise price
Options outstanding, Beginning Balance, Wtd. Avg. Exercise Price (in dollars per share)	$ 19.92
Options granted, Wtd. Avg. Exercise Price (in dollars per share)	5.76
Options forfeited/canceled/expired, Wtd. Avg. Exercise Price (in dollars per share)	17.99
Options outstanding, Ending Balance, Wtd. Avg. Exercise Price (in dollars per share)	17.74	$ 19.92
Options vested and expected to vest, Wtd. Average Exercise Price (in dollars per share)	18.25
Options exercisable, Wtd. Avg. Exercise Price (in dollars per share)	$ 22.67
Options outstanding, Ending Balance, Wtd. Avg. Remaining Contractual Term	6 years 7 months 24 days	6 years 2 months 23 days
Options vested and expected to vest, Wtd. Avg Remaining Contractual Term	6 years 6 months 3 days
Options exercisable, Wtd. Avg. Remaining Contractual Term	5 years 3 months 7 days
Options outstanding, Average Intrinsic Value	$ 286	$ 73
Options vested and expected to vest at March 31, 2022	$ 238