Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating loss carryforwards	$ 105,317	$ 47,864
Stock-based compensation	2,682	2,492
Reserves and accruals	5,154	1,239
Lease liabilities	3,750
Other	632	291
Total deferred tax assets	117,535	51,886
Less: valuation allowance	(95,857)	(51,859)
Deferred tax assets, net of valuation allowance	21,678	27
Deferred tax liabilities:
Intangibles	(18,930)	0
Property and Equipment	(120)	(27)
Right of use assets	(3,471)
Total deferred tax liabilities	(22,521)	(27)
Net deferred tax assets	$ (843)	$ 0