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Leases - Balance Sheet Classification and Other Information (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
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Balance Sheet Classification [Abstract] |  |
Long-term lease liabilities | $ 4,710 | $ 5,742
Total operating lease liabilities | $ 7,278 |
Other Information [Abstract] |  |
Weighted-average remaining term for operating leases | 5 years 4 months 6 days |
Weighted -average discount rate for operating leases | 8.76% |
Accounts Payable and Accrued Liabilities [Member] |  |
Balance Sheet Classification [Abstract] |  |
Current lease liabilities (recorded in Accrued expenses and other current liabilities) | $ 2,568 |

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