Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Commitments And Contingencies Disclosure [Abstract] | |||
| Non-cancelable operating lease expiration period | 2021 | ||
| Total rent expense | $ 0.6 | $ 0.4 | $ 0.4 |
| Lawsuit filing date | November 6, 2017 | ||
| Description of settlement | On October 4, 2018, the parties reached a binding settlement. The Contractors filed a Notice of Unconditional Settlement on October 9, 2018, which gives them 45 days from October 4, 2018 to file a request for dismissal. The Contractors filed a request for dismissal on October 24, 2018 and such dismissal was entered as requested on October 24, 2018 | ||
| X | ||||||||||
- Definition Operating lease expiration period. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. No definition available.
|
| X | ||||||||||
- Definition States the date the complaint was formally filed in a court of law, in arbitration or mediation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Description of the terms of a settlement agreement which resolved the legal matter, including the nature of the consideration, timing of payment, and the nature of rights obtained or lost (for example, but not limited to, patent, trademark, copyright, license and franchise rights). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|