Retirement Plan - Additional Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
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| Compensation And Retirement Disclosure [Abstract] | ||||
| Percentage of company's matching contribution with respect to each participant's contribution | 100.00% | |||
| Company matching contributions to maximum employees eligible compensation | 5.00% | |||
| Total company contributions to 401 (k) plan | $ 45 | $ 90 | $ 281 | $ 364 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. No definition available.
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| X | ||||||||||
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available.
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| X | ||||||||||
- Definition Percentage employer matches of the employee's percentage contribution matched. No definition available.
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