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Leases - (Additional Information) (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($) ft²	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) ft²	Jun. 30, 2022 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease expense	$ 0.4	$ 0.4	$ 0.7	$ 0.7
Variable Lease Expenses	0.0	0.0	0.0	0.0
Operating Leases	$ 0.4	$ 0.3	$ 0.7	$ 0.6
Weighted Average Discount Rate Percent	6.00%		6.00%
Weighted Average Remaining Lease Term	2 years 10 months 17 days		2 years 10 months 17 days
New York City [Member]
Lessee, Lease, Description [Line Items]
Area of Office Space | ft²	7,900		7,900
Lease Existence Of Option To Extend			true
Lessee Operating Lease Expiration Year			2027
San Francisco [Member]
Lessee, Lease, Description [Line Items]
Area of Office Space | ft²	14,257		14,257
Lessee Operating Lease Expiration Year			2025

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Lessee operating lease expiration year.

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Area of a real estate property.

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Indicates (true false) whether lessee has option to extend operating lease.

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- Definition

Amount of operating lease expense. Excludes sublease income.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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