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Quarterly Financial Data (unaudited) (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015
Quarterly Financial Information Disclosure [Abstract] |  |  |
Gain (loss) on business interruption insurance recovery |  |  | $ 460
Increase (decrease) In valuation allowance due to expected realization of deferred tax assets | $ 1,908 | $ 477 |

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- Definition Increase (Decrease) In Valuation Allowance due to Expected Realization of Deferred Tax Assets + References No definition available. + Details
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- References No definition available. + Details
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