Commitments and Contingencies - Additional Information (Details) |
3 Months Ended | ||
|---|---|---|---|
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Mar. 31, 2018
USD ($)
RenewalOption
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Nov. 21, 2017
USD ($)
Facility
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Mar. 31, 2018
USD ($)
RenewalOption
|
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| Commitments And Contingencies [Line Items] | |||
| Estimate of milestone payments | $ 15,500,000 | $ 15,500,000 | |
| Operating leases, expiry date | 2023-04 | ||
| Operating leases, number of successive renewal options | RenewalOption | 2 | 2 | |
| Operating leases, extended lease term | 5 years | ||
| Operating leases, number of portions of leased facilities | Facility | 1 | ||
| Operating leases, number of leased facilities | Facility | 3 | ||
| Operating leases, sublease commencement date | Dec. 26, 2017 | ||
| Operating leases sublease income receivable | $ 5,100,000 | ||
| Operating leases sublease expiry date | 2023-04 | ||
| Sublease tenant improvement allowance | $ 800,000 | ||
| Sublease income | $ 400,000 | ||
| Standby Letter of Credit [Member] | |||
| Commitments And Contingencies [Line Items] | |||
| Letter of credit amount | $ 1,000,000 | ||
| Funds drawn from letter of credit | $ 0 |
| X | ||||||||||
- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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- Definition The amount of revenue recognized for the period under subleasing arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of cash outflow for the allowance granted to lessee and/or direct costs incurred by lessor used to prepare the leased premises for tenant's occupancy. No definition available.
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Commitments and contingencies. No definition available.
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- Definition Reflects estimated obligations that are due and payable upon achievement of certain criteria categorized as developmental, regulatory, or commercial milestones. No definition available.
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- Definition Lessee leasing arrangements operating leases expiry month and year. No definition available.
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- Definition Operating leases, number of leased facilities. No definition available.
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- Definition Operating leases, number of successive renewal options. No definition available.
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- Definition Operating leases, sublease commencement date. No definition available.
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- Definition Operating leases sublease expiration date. No definition available.
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- Definition Operating leases sublease revenue receivable. No definition available.
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- Definition Subleased facility number of portions. No definition available.
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- Details
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