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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Operating Loss Carryforwards [Line Items] |  |
Income tax provision | $ 0 | $ 0
Percentage of valuation allowance against deferred tax assets | 100.00% |
Increase in deferred tax assets valuation allowance | $ 7,000 | 9,200
New York State |  |
Operating Loss Carryforwards [Line Items] |  |
Operating loss carryforwards net, expected to expire unutilized and unavailable to offset future federal taxable income | 191,100 |
New York City |  |
Operating Loss Carryforwards [Line Items] |  |
Operating loss carryforwards net, expected to expire unutilized and unavailable to offset future federal taxable income | 175,400 |
Federal |  |
Operating Loss Carryforwards [Line Items] |  |
Operating loss carryforwards | 290,400 | 307,600
Operating loss carryforwards, annual limitation | 28 |
Operating loss carryforwards net, expected to expire unutilized and unavailable to offset future federal taxable income | 200,500 |
Operating loss carryforwards available for offset future taxable income | 107,100 |
Operating loss carryforwards for unlimited period | 105,400 |
Federal | Research and Development Tax Credit Carryforwards |  |
Operating Loss Carryforwards [Line Items] |  |
Tax credit carryforwards | 7,400 | 6,500
Tax credit carryforwards expected to expire unutilized | 2,300 |
Federal | Expire Between 2019 and 2037 |  |
Operating Loss Carryforwards [Line Items] |  |
Operating loss carryforwards available for offset future taxable income | 1,700 |
State and City |  |
Operating Loss Carryforwards [Line Items] |  |
Operating loss carryforwards | 5,000 | 4,900
State | Minimum |  |
Operating Loss Carryforwards [Line Items] |  |
Operating loss carryforwards | 800 |
State | Maximum |  |
Operating Loss Carryforwards [Line Items] |  |
Operating loss carryforwards | 196,000 |
City | Minimum |  |
Operating Loss Carryforwards [Line Items] |  |
Operating loss carryforwards | 300 |
City | Maximum |  |
Operating Loss Carryforwards [Line Items] |  |
Operating loss carryforwards | 195,300 |
Foreign |  |
Operating Loss Carryforwards [Line Items] |  |
Operating loss carryforwards | $ 43,300 | $ 33,400

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