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Income Taxes (Change in Unrecognized Tax Benefits) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Beginning balance $ 1,496 $ 1,266 $ 1,129
Additions based on tax positions related to the current year 325 0 0
Changes due to lapse of statute of limitations (509) 230 137
Ending balance $ 1,312 $ 1,496 $ 1,266