Variable Interest Entities (Summary Of Consolidated Variable Interest Entities) (Details) - Consolidated Variable Interest Entities [Member] - USD ($) $ in Thousands		Sep. 30, 2015	Dec. 31, 2014
Variable Interest Entity [Line Items]
Maximum risk of loss	[1]	$ 37,178	$ 37,178
Assets Held by VIEs		57,903	63,984
Assets Held as Collateral for Debt		$ 55,626	$ 61,850

[1] The maximum risk of loss has been determined to be limited to our debt exposure for the real estate joint venture.