Derivatives (Income Statement Impact) (Details) (Designated Derivative Instruments, Derivatives in Cash Flow Hedging Relationships, Interest rate contracts, USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Effect of Derivative Instruments on Statement of Operations
Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion)	$ 80	$ (4)	$ (399)	$ 25
Interest expense and other, net
Effect of Derivative Instruments on Statement of Operations
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	8	(267)	(117)	(678)
Amount of Gain (Loss) Recognized in Income on Derivatives (Ineffective Portion)	$ 1	$ (7)	$ (1)	$ (7)