Deferred Compensation Plan - Additional Information (Detail) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 30, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Investments And Employee Deferred Compensation Plan [Line Items] | |||
| Percentage of deferred salary and commissions (up to) | 25.00% | ||
| Percentage of bonuses (up to) | 100.00% | ||
| Percentage of deferred matching contribution amount | 25.00% | ||
| Vesting schedule | 5 years | ||
| Restricted investments | $ 752,000 | $ 271,000 | |
| Distributions from the deferred compensation plan aggregated | 289,000 | $ 719,000 | $ 678,000 |
| Maximum | |||
| Investments And Employee Deferred Compensation Plan [Line Items] | |||
| Matching contribution on deferred amount (up to) | $ 10,000 | ||
| X | ||||||||||
- Definition Deferred Compensation Arrangement Matching Contribution Percentage No definition available.
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| X | ||||||||||
- Definition Deferred Compensation Plan Maximum Percentage Deferred Of Annual Base Salary No definition available.
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| X | ||||||||||
- Definition Deferred Compensation Plan Maximum Percentage Deferred Of Annual Bonus No definition available.
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| X | ||||||||||
- Definition Investments And Employee Deferred Compensation Plan [Line Items] No definition available.
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| X | ||||||||||
- Definition Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement. No definition available.
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| X | ||||||||||
- Definition Amount of distribution made to individual in accordance with deferred compensation arrangement. No definition available.
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| X | ||||||||||
- Definition Minimum period the individual is required to perform services to be fully vested under the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition This element represents the current portion of investments which are not defined as or included in marketable (debt, equity, or other) securities that are pledged or subject to withdrawal restrictions. No definition available.
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| X | ||||||||||
- Details
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