Other Commitments And Contingencies (Details) (USD $)	3 Months Ended	6 Months Ended				6 Months Ended	0 Months Ended		6 Months Ended		0 Months Ended
	Mar. 31, 2012	Jun. 30, 2012 mortgagenotes	Jun. 30, 2011	Jun. 30, 2012 Theatre Properties [Member] developmentproject	Jun. 30, 2012 Public Charter School Property [Member] developmentproject	Jun. 30, 2012 Louisiana Theatre Properties [Member] developmentproject	Oct. 20, 2011 Sullivan County Planned Casino and Resort [Member]	Mar. 07, 2012 Concord Resort [Member]	Jun. 30, 2012 Minimum [Member] Louisiana Theatre Properties [Member]	Jun. 30, 2012 Maximum [Member] Louisiana Theatre Properties [Member]	Jun. 18, 2010 Golf Courses [Member] Cappelli Settlement [Member]	Jun. 18, 2010 Racino Parcel [Member] Cappelli Settlement [Member]
Development projects in process (in projects)				10	7	4
Commitment to fund project development				$ 68,500,000	$ 25,300,000
Economic development revenue bond annual fees percentage									1.75%	2.88%
Economic development revenue bond term						30 years
Deferred assets related to guarantee						4,500,000
Deferred liabilities related to guarantee						4,500,000
Loss contingency						0
Number of Mortgage Notes Receivable (in mortgage notes)		6
Mortgage notes receivable with commitments		36,300,000
Loss contingency damages sought, value							800,000,000	1,500,000,000
Annual Lease Payment											1.00	200
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests	$ 0	$ 27,785,000	$ 0