Employee Benefit Plans - Additional Information (Detail) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
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| Compensation And Retirement Disclosure [Abstract] | |||
| Maximum annual contributions per employee percent | 15.00% | ||
| Minimum age for employees to be covered under profit sharing plan | 21 years | ||
| Minimum service period for employees to be covered under profit sharing plan | 6 months | ||
| Vesting period for company contributions to benefit plan | 6 years | ||
| Employer contribution | $ 0 | $ 0 | $ 0 |
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- Definition Minimum age for employees to be covered under profit sharing plan. No definition available.
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| X | ||||||||||
- Definition Minimum service period for employees to be covered under profit sharing plan. No definition available.
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| X | ||||||||||
- Definition Vesting period for company contributions to benefit plan. No definition available.
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| 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 Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. No definition available.
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