Schedule III - Real Estate And Accumulated Depreciation (Narrative) (Details) (USD $) In Thousands, unless otherwise specified				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2013 Maximum [Member]
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Useful life of buildings and improvements				7 years	40 years
Aggregate cost of land, buildings and improvements	$ 1,575,555	$ 1,278,318	$ 1,362,064