Discontinued Operations (Narratives) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Discontinued Operations [Line Items]
Gain on sale of real estate	$ 0	$ 0	$ 0	$ 740,000
Non-recourse debt	1,795,336,000		1,795,336,000		1,633,452,000
Hotel
Discontinued Operations [Line Items]
Contract sales price of property			24,000,000
Non-recourse debt	5,100,000		5,100,000
Domestic properties
Discontinued Operations [Line Items]
Number of properties sold	12		12
Contract sales price of property			12,700,000
Gain on sale of real estate			$ 700,000