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Derivative Financial Instruments (Details) - Designated as Hedging Instrument [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Interest Rate Swap 1 [Member] | Interest Expense [Member]    
Gain (Loss) Recognized in Other Comprehensive Income, Net [Abstract]    
Amount of Gain (Loss), Recognized in OCI, Effective Portion $ (394) $ (754)
Amount of Gain (Loss), Reclassified from AOCI into Income, Effective Portion 0 0
Interest Rate Swap 1 [Member] | Other Income [Member]    
Gain (Loss) Recognized in Other Comprehensive Income, Net [Abstract]    
Amount of Gain (Loss), Recognized in Income on Derivatives, Ineffective Portion 0 0
Interest Rate Swap 2 [Member] | Interest Expense [Member]    
Gain (Loss) Recognized in Other Comprehensive Income, Net [Abstract]    
Amount of Gain (Loss), Recognized in OCI, Effective Portion (461) (1,448)
Amount of Gain (Loss), Reclassified from AOCI into Income, Effective Portion 0 0
Interest Rate Swap 2 [Member] | Other Income [Member]    
Gain (Loss) Recognized in Other Comprehensive Income, Net [Abstract]    
Amount of Gain (Loss), Recognized in Income on Derivatives, Ineffective Portion $ 0 $ 0