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Share Based Compensation - Share Based Compensation Expense Included in Operating Expense (Income) (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based and long-term incentive compensation | $ 4,425 | $ 4,474 | $ 3,417
General and Administrative Expense |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based and long-term incentive compensation | 3,323 | 2,451 | 1,001
Other Operating Expenses |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based and long-term incentive compensation | $ 1,102 | $ 2,023 | $ 2,416

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- Definition Share Based and Long Term Incentive Compensation + References No definition available. + Details
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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. + References No definition available. + Details
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- Details
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- Details
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