Commitments and Contingencies - Office Lease (Details) - USD ($) $ in Thousands |
9 Months Ended | |
|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
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| Commitments and Contingencies Disclosure [Abstract] | ||
| Period of abatement | 3 months | |
| Rent expense | $ 125 | $ 125 |
| X | ||||||||||
- Definition Represents the duration of abatement under the lease agreement. No definition available.
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| X | ||||||||||
- References No definition available.
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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://www.xbrl.org/2003/role/presentationRef
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