Derivatives and Hedging Activity (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Derivative [Line Items]
Derivative, Collateral, Obligation to Return Cash	$ 0	$ 0
Derivatives And Hedging Activity (Textual) [Abstract]
Cash flow hedge ineffectiveness in earnings materiality	3000	less than $1,000	less than a  $1,000
Estimated additional accumulated other comprehensive Income/(Loss) transferred to interest expense	5,000,000
Fair value of derivatives in a net liability position	10,600,000
Payment required to pay for contract termination	$ 10,600,000