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v3.20.2

Leases - Narrative (Details) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 01, 2019 USD ($) | Dec. 31, 2019 USD ($) | Sep. 30, 2020 USD ($) sublease_option | Sep. 30, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Operating leases right-of-use assets |  |  | $ 22,427 |
Operating lease liabilities, current |  |  | 2,045 |
Operating lease liabilities - long-term |  |  | 21,620 |
Accumulated deficit |  |  | 32,443 | $ 39,555
Accounting Standards Update [Extensible List] | us-gaap:AccountingStandardsUpdate201602Member |  |  |
Gain recognized on lease modification |  |  | 121 | $ 0
Operating lease liability |  |  | 23,665 |
Increase to right-of-use assets |  |  | 24,700 |
Increase to lease liabilities |  |  | $ 25,200 |
Sublease term |  |  | 5 years |
Number of sublease extension options | sublease_option |  |  | 2 |
Sublease option extension period |  |  | 1 year |
Facilities and Equipment | Minimum |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Remaining lease term |  |  | 7 months 6 days |
Facilities and Equipment | Maximum |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Remaining lease term |  |  | 10 years 6 months |
Lease Modification |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Operating leases right-of-use assets | $ 7,300 |  |  |
Gain recognized on lease modification |  | $ 100 |  |
Operating lease liability | 7,200 |  |  |
Cumulative-effect adjustment for adoption of ASC 842 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Operating leases right-of-use assets | 17,398 |  |  |
Operating lease liabilities, current | 3,645 |  |  |
Operating lease liabilities - long-term | 14,372 |  |  |
Accumulated deficit | $ 2 |  |  |

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