Income Taxes - Reconciliation of Unrecognized Tax Benefits (Detail) $ in Thousands |
12 Months Ended |
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Dec. 31, 2016
USD ($)
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| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | |
| Beginning balance | $ (7,837) |
| Additions based on tax positions taken during a prior period | (992) |
| Reductions based on tax positions taken during a prior period | 1,461 |
| Ending balance | $ (4,628) |
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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