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Income Taxes (Details 4) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Reconciliation of the total amounts of unrecognized tax benefits excluding interest and penalties | |||
| Balance at Beginning of the Year | $ 880 | $ 1,470 | $ 940 |
| Decreases as a Result of Tax Positions Taken in Prior Years | (220) | (1,090) | (270) |
| Increases as a Result of Tax Positions taken in the Current Year | 180 | 500 | 800 |
| Balance at End of the Year | $ 840 | $ 880 | $ 1,470 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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