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Commitments and Contingencies - Additional Information (Detail) $ in Millions |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 19, 2016 USD ($) Installment | Dec. 31, 2019 | Dec. 31, 2013 Number_Of_People | Jun. 27, 2016 USD ($) | Sep. 26, 2011 USD ($)
Leases [Abstract] |  |  |  |  |
Amount received to start-up new facility | $ 1.0 |  |  |  | $ 1.0
Minimum number of people to be employed | Number_Of_People |  |  | 232 |  |
Time period to meet employment commitment |  |  | 3 years |  |
New deadline to meet employment commitment |  | Apr. 30, 2016 |  |  |
Funds to be repaid under the agreement | $ 0.3 |  |  |  |
Interest rate of funds under the agreement | 0.00% |  |  |  |
Number of equal quarterly installments | Installment | 20 |  |  |  |
Grant earned under agreement |  |  |  | $ 0.7 |

X
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