Investments In Direct Financing Lease (Summary Of Carrying Amounts Of Investment In Direct Financing Lease, Net) (Details) (USD $)	Mar. 31, 2014		Dec. 31, 2013
Capital Leases, Net Investment in Direct Financing Leases [Abstract]
Total minimum lease payments receivable	$ 625,910,000		$ 633,384,000
Estimated unguaranteed residual value of leased assets	214,706,000		215,207,000
Less deferred income	(597,711,000)	[1]	(606,379,000)	[1]
Investment in a direct financing lease, net	242,905,000		242,212,000
Capital Leases, Net Investment in Direct Financing Leases, Initial Direct Costs	$ 1,700,000		$ 1,700,000

[1] Deferred income is net of $1.7 million of initial direct costs at March 31, 2014 and December 31, 2013