Net Loss Per Share - Computation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net loss	$ (19,376)	$ (1,109)
Weighted-average basic shares outstanding (in shares)	37,525	30,904
Weighted-average diluted shares outstanding (in shares)	37,525	30,904
Basic net loss per share (in usd per share)	$ (0.52)	$ (0.04)
Diluted net loss per share (in usd per share)	$ (0.52)	$ (0.04)
Class 1
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net loss	$ (2,748)	$ (420)
Weighted-average basic shares outstanding (in shares)	3,543	9,379
Weighted-average diluted shares outstanding (in shares)	3,543	9,379
Basic net loss per share (in usd per share)	$ (0.78)	$ (0.04)
Diluted net loss per share (in usd per share)	$ (0.78)	$ (0.04)
Class 2
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net loss	$ (4,030)	$ (616)
Weighted-average basic shares outstanding (in shares)	5,196	13,755
Weighted-average diluted shares outstanding (in shares)	5,196	13,755
Basic net loss per share (in usd per share)	$ (0.78)	$ (0.04)
Diluted net loss per share (in usd per share)	$ (0.78)	$ (0.04)
Class 3
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net loss	$ (585)	$ (73)
Weighted-average basic shares outstanding (in shares)	754	1,629
Weighted-average diluted shares outstanding (in shares)	754	1,629
Basic net loss per share (in usd per share)	$ (0.78)	$ (0.04)
Diluted net loss per share (in usd per share)	$ (0.78)	$ (0.04)
Common stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net loss	$ (12,013)
Weighted-average basic shares outstanding (in shares)	35,206
Weighted-average diluted shares outstanding (in shares)	35,206
Basic net loss per share (in usd per share)	$ (0.34)
Diluted net loss per share (in usd per share)	$ (0.34)