Stock-based Awards (Details 2 - RSUs) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Weighted-Average Grant Date Fair Value
Stock based compensation expense	$ 4,708	$ 3,498
Non-vested restricted stock unit awards
Number of Shares
Non-vested at the beginning of period (in shares)	10,007,869
Granted (in shares)	5,421,366
Vested (in shares)	(1,024,364)
Canceled/forfeited (in shares)	(610,111)
Non-vested at the end of the period (in per share)	13,794,760
Weighted-Average Grant Date Fair Value
Non-vested at the beginning of period (in dollars per share)	$ 4.04
Granted (in dollars per share)	2.49
Vested (in dollars per share)	3.95
Canceled/forfeited (in dollars per share)	3.78
Non-vested at the end of the period (in dollars per share)	$ 3.45
Remaining stock based compensation expense for non vested restricted stock units	$ 39,600
Weighted average period over which remaining stock based compensation expense for unvested awards is expected to be recognized (in years)	2 years 9 months 18 days
Stock based compensation expense	$ 4,400	$ 3,100