Income Taxes - Components of Deferred Income Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred income tax assets:
Net operating loss carryforward	$ 68,353	$ 1,834
Deferred revenue	27,031	21,055
Deferred compensation	1,414	1,175
Lease liability	5,886	5,730
Inventory reserve	684	511
Stock-based compensation	10,913	18,890
Amortization	2,672	2,436
Research and development tax credit carryforward	29,249	6,654
Reserves, accruals, and other	14,717	7,274
Total deferred income tax assets	160,919	65,559
Deferred income tax liabilities:
Contract asset	(1,104)	(1,150)
Right of use asset	(5,008)	(5,237)
Depreciation	(8,938)	(5,363)
Strategic investments	(2,653)	(321)
Prepaid expenses	(594)	(874)
Other	(72)	(185)
Total deferred income tax liabilities	(18,369)	(13,130)
Net deferred income tax assets before valuation allowance	142,550	52,429
Valuation allowance	(16,168)	(7,308)
Net deferred income tax assets	$ 126,382	$ 45,121