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Income Taxes (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
A reconciliation of the beginning and ending liability for uncertain tax positions
Balance at beginning of year	$ 320	$ 798
Decreases due to settlements with taxing authorities		(478)
Increases for tax position taken in prior years	8
Balance at the end of year	328	320
Unrecognized tax benefits that would affect the effective tax rate, if recognized	213
Accrued interest and penalties reported as income tax liability	$ 62	$ 54

This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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