Share-Based Payments - Additional Information (Detail) - USD ($) |
9 Months Ended | ||
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Jul. 01, 2016 |
Sep. 30, 2016 |
Sep. 30, 2015 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Stock compensation expense | $ 40,000 | $ 100,000 | |
| Restricted Stock Units (RSUs) [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| RSU vesting date | Mar. 16, 2020 | ||
| Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award | Each recipient entered into an individual restricted stock unit award agreement with the following terms (i) the recipient is entitled to receive one share of Class A common stock for each RSU upon vesting, and (ii) the RSUs have a cliff vest on March 16, 2020, provided that the recipient is still an employee or director on such date. | ||
| Restricted Stock Units (RSUs) [Member] | Long-Term Incentive Plan 2009 [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Restricted stock units granted | 348,841 | ||
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- Definition Vesting Date No definition available.
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Definition Description of pertinent provisions of equity-based compensation awards that have actual or potential impact upon the company's financial statements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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