Leases - Additional Information (Details)	3 Months Ended				12 Months Ended
	Jun. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($) lease	Mar. 31, 2020 USD ($) lease	Dec. 31, 2021 USD ($) lease	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Operating Leased Assets [Line Items]
Operating right of use assets					$ 12,827,000	$ 155,000
Operating lease liability					$ 12,733,000	100,000
Weighted-average remaining lease term (in years)					4 years 2 months 12 days
Average discount rate (as a percent)					5.20%
Gain on settlement					$ 0	5,926,000	$ 0
Operating lease liability-long term					9,647,000	19,000
Current portion of operating lease liabilities					3,086,000	115,000
Operating cash flows from operating leases					$ 1,856,000	$ 991,000	1,407,000
Promissory Note
Operating Leased Assets [Line Items]
Operating right of use assets			$ 100,000
Notes Payable, Other Payables | Lease Settlement Payable
Operating Leased Assets [Line Items]
Interest rate of convertible note			4.00%
New York City Headquarter
Operating Leased Assets [Line Items]
Operating lease liability		$ 6,400,000
Number of leases | lease			2		2
Impairment loss			$ 5,300,000		$ 100,000		$ 0
Gain on settlement		4,900,000
Operating lease liability-long term			5,800,000
Current portion of operating lease liabilities			600,000
Operating cash flows from operating leases		$ 1,500,000
Terminated and Vacated Lease
Operating Leased Assets [Line Items]
Operating lease liability			$ 900,000
Number of leases | lease				1
Impairment loss				$ 900,000
Gain on settlement	$ 800,000