Derivative Instruments And Hedging Activities , Statement of Operation Location (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in OCI (Effective Portion)	$ 0	$ 89	$ 97	$ 266
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	0	0	0	0
Interest rate swaps and cap agreement [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in OCI (Effective Portion)	0	89	97	266
Interest rate swaps and cap agreement [Member] | Interest expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	$ 0	$ 0	$ 0	$ 0