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Derivative Instruments and Hedging Activities (Schedule of Offsetting of Derivative Assets) (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Gross Amounts of Recognized Assets $ 0 $ 61
Gross Amounts Offset in the Balance Sheet 0 0
Net Amounts of Assets Presented in the Balance Sheet 0 61
Gross Amounts Not Offset in the Balance Sheet, Financial Instruments Collateral 0 (16)
Gross Amounts Not Offset in the Balance Sheet, Cash Collateral 0 0
Net Amount $ 0 $ 45