Income Taxes - Significant Components of Deferred Income Taxes (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Net operating loss carryforwards	$ 88,584	$ 84,026
Capitalized R&D	12,226	0
Deferred revenue	4,033	4,270
Lease liability	1,793	722
Stock-based compensation	9,461	7,822
Tax credits	6,916	5,446
Other	3,433	3,005
Total deferred tax assets	126,446	105,291
Deferred tax liabilities:
Intangible assets	0	5,963
Right-of-use assets	1,650	615
Total deferred tax liabilities	1,650	6,578
Deferred tax assets, net	124,796	98,713
Valuation allowance	124,796	98,713
Total deferred tax liability	$ 0	$ 0