Summary of Significant Accounting Policies (Details 3) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Condominium Inventory
Condominium inventory non-cash charges		$ 0
Accounts Receivable
Straight-line rental revenue	6,400,000	6,400,000		6,800,000
Accounts receivable from hotel operators and tenants related to consolidated properties	4,100,000	4,100,000		1,800,000
Allowance for doubtful accounts receivable	2,400,000	2,400,000		200,000
Impairment charge	0	305,000	438,000
Chase - The Private Residences
Condominium Inventory
Finished condominium inventory	6,100,000	6,100,000		6,500,000
Condominium inventory non-cash charges			$ 400,000