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Derivative Instruments and Hedging Activities (Effect of the Derivative Instrument on the Consolidated Balance Sheet, Consolidated Statements of Income) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain (Loss) Recognized in OCI on Derivative (Effective Portion), net of tax $ 132 $ (36) $ (271)
Cash Flow Hedging [Member] | Interest Rate Swap [Member]
     
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain (Loss) Recognized in OCI on Derivative (Effective Portion), net of tax 132 (36)  
Amount of Gain (Loss) Recognized in Income (Ineffective Portion), net of tax $ 0 $ 0