Income Taxes (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Income Taxes
Unrecognized tax benefits at beginning of year	$ 3,428	$ 3,856
Additions as a result of a tax position taken during the current period	600	630
Reductions as a result of tax positions taken during a prior period	(19)
Reductions relating to settlement with taxing authorities		(1,058)
Unrecognized tax benefits at end of year	$ 4,009	$ 3,428

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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