|
Income Taxes - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended |
|---|---|---|
|
Jun. 30, 2013
|
Jun. 30, 2013
|
|
| Income Taxes [Line Items] | ||
| Deferred tax assets additional valuation allowances | $ (90) | $ 1,442 |