Commitment and Contingencies - Lease Arrangements - Additional Information (Detail) $ in Millions	1 Months Ended	12 Months Ended
	Sep. 30, 2021 option	Dec. 31, 2021 USD ($)
Lessee Lease Description [Line Items]
Operating lease payments related to options to extend lease terms | $		$ 24.1
557 South Douglas Street
Lessee Lease Description [Line Items]
Optional extended lease term	7 years
557 South Douglas Street | Nant Capital
Lessee Lease Description [Line Items]
Initial term of lease arrangement	7 years
Options to extend number of terms | option	2
Optional extended lease term	7 years
Minimum
Lessee Lease Description [Line Items]
Initial term of lease arrangement		2 years
Optional extended lease term		1 year
Maximum
Lessee Lease Description [Line Items]
Initial term of lease arrangement		10 years
Optional extended lease term		7 years