Fair Value Measurement - Summary of Fair Value Measurement on Recurring Basis (Detail) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Cash equivalents:
Money market funds	$ 271,856
Other investment held at fair value	0
Assets fair value	271,856	$ 0
Liabilities:
Contingent consideration liability—related parties	2,483	1,705
Derivative liability		214
Warrant Liability	336
Liability fair value	2,819	1,919
Fair Value, Inputs, Level 1 [Member]
Cash equivalents:
Money market funds	271,856
Other investment held at fair value	0
Assets fair value	271,856
Liabilities:
Contingent consideration liability—related parties	0	0
Derivative liability		0
Warrant Liability	0
Liability fair value	0	0
Fair Value, Inputs, Level 2 [Member]
Cash equivalents:
Money market funds	0
Other investment held at fair value	0
Assets fair value	0
Liabilities:
Contingent consideration liability—related parties	0	0
Derivative liability		0
Warrant Liability	0
Liability fair value	0	0
Fair Value, Inputs, Level 3 [Member]
Cash equivalents:
Money market funds	0
Other investment held at fair value	0
Assets fair value	0
Liabilities:
Contingent consideration liability—related parties	2,483	1,705
Derivative liability		214
Warrant Liability	336
Liability fair value	$ 2,819	$ 1,919