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Income Taxes (Details 9) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Balance at beginning of year	$ 128	$ 6,892	$ 8,450
Increase related to prior year tax positions	658	0	0
Decrease related to prior year tax positions	0	(6,759)	(2,295)
Increase related to current year tax positions	0	0	133
Effect of exchange rate change	5	(5)	604
Balance at end of year	$ 791	$ 128	$ 6,892

X

- Definition

Gross amount of increase(decrease) in unrecognized tax benefits resulting from foreign currency translation.

+ References

No definition available.

+ Details

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854



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-Topic 740

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+ References

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-Publisher FASB

-Name Accounting Standards Codification

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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.

+ References

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The gross amount of increases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.

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