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Income Taxes - Reconciliation of the Beginning and Ending Amount of Unrecognized Tax Benefits (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2013
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Dec. 31, 2012
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|
| Income Tax Disclosure [Abstract] | ||
| Beginning Balance | ||
| Additions to current year tax positions | 43 | |
| Additions to tax positions of prior years | 241 | |
| Reductions for tax provisions of prior years | ||
| Ending Balance | $ 284 | |