Commitments and Contingencies - Additional Information (Detail) |
1 Months Ended | 3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|---|
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Dec. 11, 2017
ft²
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Jul. 31, 2018 |
Sep. 30, 2018
USD ($)
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Sep. 30, 2017
USD ($)
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Sep. 30, 2018
USD ($)
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Sep. 30, 2017
USD ($)
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Mar. 01, 2018
USD ($)
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| Other Commitments [Line Items] | |||||||
| Expiration of operating lease agreement | 2019-01 | ||||||
| Operating lease agreement extended period month and year | 2019-01 | ||||||
| Consolidated rent and facilities expense | $ 100,000 | $ 100,000 | $ 200,000 | $ 100,000 | |||
| Indemnification obligations | $ 0 | 0 | |||||
| Expenses related to indemnification issues | $ 0 | ||||||
| Pike [Member] | |||||||
| Other Commitments [Line Items] | |||||||
| Area of office space leased | ft² | 3,187 | ||||||
| Lease agreement | On December 11, 2017, we entered into a lease, or the Seattle Lease, with 520 Pike Street, Inc., or Pike, pursuant to which we leased approximately 3,187 square feet located at Suite 2250 at 520 Pike Tower, Seattle, Washington, 98101, which commenced on March 1, 2018. The initial term of the Seattle Lease will expire at the end of the month on the third anniversary of the Seattle Lease. | ||||||
| Monthly base rent | $ 11,685,000 | ||||||
| Monthly base rent, maximum annual increase | 12,397,000 | ||||||
| Lease, security deposit, annual payment | 37,192,000 | ||||||
| Lease, security deposit payment, annual decrease | $ 12,397,000 | ||||||
| Percentage of profit attributable to lessor | 50.00% | 50.00% | |||||
| Percentage of property if subleased could result in lease termination | 50.00% | 50.00% | |||||
| X | ||||||||||
- Definition Area of office space leased. No definition available.
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| X | ||||||||||
- Definition Expiration of operating lease agreement. No definition available.
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| X | ||||||||||
- Definition Indemnification expense. No definition available.
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| X | ||||||||||
- Definition Lease security deposit annual decrease. No definition available.
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| X | ||||||||||
- Definition Lease security deposit annual payment. No definition available.
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| X | ||||||||||
- Definition Monthly base rental payments. No definition available.
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| X | ||||||||||
- Definition Monthly base rental payments maximum annual increase. No definition available.
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| X | ||||||||||
- Definition Operating lease Agreement extended period month and year. No definition available.
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| X | ||||||||||
- Definition Percentage profit attributable to lessor. No definition available.
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| X | ||||||||||
- Definition Property sublease percentage termination eligibility. No definition available.
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| X | ||||||||||
- Definition A general description of the nature of the existing leasing arrangements of a lessee for all operating leases including, but not limited to: (1) rental escalation clauses; (2) renewal or purchase options; (3) guarantees or indemnities, if any, (4) restrictions imposed by lease arrangements; (5) unusual provisions or conditions; (6) contingent rentals, if any; and (7) lease expiration dates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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| X | ||||||||||
- Details
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