Income Taxes - Reconciliation of Total Amounts of Unrecognized Tax Benefits Excluding Interest and Penalties (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
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Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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| Reconciliation of Unrecognized Tax Benefits | |||
| Balance at beginning of the period | $ 181 | $ 1,940 | $ 840 |
| Increases (decreases) as a result of tax positions taken in prior years | (181) | (1,901) | 145 |
| Increases as a result of tax positions taken in the current year | 0 | 142 | 955 |
| Balance at end of the period | $ 0 | $ 181 | $ 1,940 |
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- Definition Unrecognized Tax Benefits, Increase (Decrease) Resulting From Prior Period Tax Positions No definition available.
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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 increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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