Other Commitments And Contingencies (Details) (USD $)	3 Months Ended			3 Months Ended	0 Months Ended		3 Months Ended
	Mar. 31, 2012 mortgagenotes	Mar. 31, 2012 Theatre Properties [Member] developmentproject	Mar. 31, 2012 Public Charter School Property [Member] developmentproject	Mar. 31, 2012 Louisiana Theatre Properties [Member] developmentproject	Oct. 20, 2011 Sullivan County Planned Casino and Resort [Member]	Mar. 07, 2012 Concord Resort [Member]	Mar. 31, 2012 Minimum [Member] Louisiana Theatre Properties [Member]	Mar. 31, 2012 Maximum [Member] Louisiana Theatre Properties [Member]
Development projects in process (in projects)		10	4	4
Commitment to fund project development		$ 50,700,000	$ 14,100,000
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	40,500,000
Loss contingency damages sought, value					$ 800,000,000	$ 1,500,000,000