Leases, Commitments and Contingencies - Operating Leases - Additional Information (Detail)			1 Months Ended	12 Months Ended
	Feb. 28, 2019 ft²	Jan. 01, 2019 USD ($) ft²	Mar. 31, 2019 ft²	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 13, 2021 USD ($)
Commitments And Contingencies [Line Items]
Lease expire date					Jan. 31, 2022
Operating lease option to extend				true
Operating lease renewal term				5 years
Right-of-use operating asset | $		$ 5,300,000		$ 16,109,000	$ 25,064,000	$ 3,700
Lessee, operating lease contract term					3 years
Remaining Amount Of Lease Write Off | $					$ 2,300,000
Restricted Cash And Cash Equivalents Noncurrent | $					$ 700,000
Operating Lease One [Member]
Commitments And Contingencies [Line Items]
Office space rent under operating lease	58,442	58,442	63,017
Lease expire date		Aug. 31, 2024	Aug. 31, 2024
Increased office space rent			4,575
Operating Lease Two [Member]
Commitments And Contingencies [Line Items]
Office space rent under operating lease		40,419
Lease expire date		Aug. 31, 2024
Operating Lease Three [Member]
Commitments And Contingencies [Line Items]
Office space rent under operating lease		15,525
Lease expire date		Nov. 30, 2024
Operating Lease Five [Member]
Commitments And Contingencies [Line Items]
Office space rent under operating lease		15,975
Lease expire date		Feb. 29, 2024
Minimum [Member]
Commitments And Contingencies [Line Items]
Operating lease remaining lease terms				1 year
Maximum [Member]
Commitments And Contingencies [Line Items]
Operating lease remaining lease terms				3 years