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Derivative Financial Instruments (Gains (Losses) Recognized on Derivatives (Cash Flow Hedges)) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Interest Expense | Interest Rate Swap 1
   
Trading Activity, Gains and Losses, Net [Line Items]    
Effective Portion, Recognized in OCI, Amount of Gain (Loss) $ 254 $ 14
Effective Portion, Reclassified from AOCI into Income, Amount of Gain (Loss) (276) (298)
Interest Expense | Interest Rate Swap 2
   
Trading Activity, Gains and Losses, Net [Line Items]    
Effective Portion, Recognized in OCI, Amount of Gain (Loss) 562 324
Effective Portion, Reclassified from AOCI into Income, Amount of Gain (Loss) (583) (536)
Interest Expense | Interest Rate Swap 3
   
Trading Activity, Gains and Losses, Net [Line Items]    
Effective Portion, Recognized in OCI, Amount of Gain (Loss) 679 (122)
Effective Portion, Reclassified from AOCI into Income, Amount of Gain (Loss) (594) (561)
Interest Expense | Interest Rate Swap 4
   
Trading Activity, Gains and Losses, Net [Line Items]    
Effective Portion, Recognized in OCI, Amount of Gain (Loss) 1,433 (436)
Effective Portion, Reclassified from AOCI into Income, Amount of Gain (Loss) (616) (589)
Other Income | Interest Rate Swap 1
   
Trading Activity, Gains and Losses, Net [Line Items]    
Ineffective Portion, Recognized in Income on Derivatives, Amount of Gain (Loss) 0 0
Other Income | Interest Rate Swap 2
   
Trading Activity, Gains and Losses, Net [Line Items]    
Ineffective Portion, Recognized in Income on Derivatives, Amount of Gain (Loss) 0 0
Other Income | Interest Rate Swap 3
   
Trading Activity, Gains and Losses, Net [Line Items]    
Ineffective Portion, Recognized in Income on Derivatives, Amount of Gain (Loss) 0 0
Other Income | Interest Rate Swap 4
   
Trading Activity, Gains and Losses, Net [Line Items]    
Ineffective Portion, Recognized in Income on Derivatives, Amount of Gain (Loss) $ 0 $ 0