Interest Rate Derivatives and Hedging Activities (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) derivative	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Derivative [Line Items]
Loss on derivative instruments	$ 578	$ (1)	$ (5)
Interest rate swaps, net
Derivative [Line Items]
Number of instruments terminated | derivative	2
Designated as Hedging Instrument | Cash Flow Hedging | Derivatives at Fair Value | Interest rate swaps
Derivative [Line Items]
Fair value of derivatives	$ 1,400
Designated as Hedging Instrument | Cash Flow Hedging | Interest rate swaps, net
Derivative [Line Items]
Amount required to settle its obligations under the agreement at its aggregate termination value incase of breach	$ 1,400
Designated as Hedging Instrument | Cash Flow Hedging | Interest rate swaps, net | Interest Expense
Derivative [Line Items]
Interests reclassified to AOCI	12 months
Interests reclassified to AOCI in future period	$ 1,000
Not Designated as Hedging Instrument | Interest Rate Cap
Derivative [Line Items]
Gain (loss) on hedging activity	(400)
Accelerated Reclassification [Member] | Designated as Hedging Instrument | Interest rate swaps, net
Derivative [Line Items]
Loss on derivative instruments	$ 200