Income Taxes (Details 3) (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Tax effects of temporary differences and carryforwards included in the net deferred tax liabilities
Property, primarily differences in depreciation and amortization, the tax basis of land assets and the treatment of interests and certain costs	$ (309,775,000)		$ (310,756,000)		$ (332,111,000)
Operating loss and interest deduction carryforwards	377,645,000		366,590,000		343,843,000
Expense accruals and other	13,421,000		13,984,000		11,511,000
Valuation allowance	(331,458,000)		(326,837,000)		(281,954,000)
Deferred Tax Liabilities, Net	(250,167,000)	[1]	(257,019,000)	[1]	(258,711,000)	[1]
Deferred tax assets	0		2,700,000		2,000,000
Increase (decrease) in net deferred tax liability	(6,900,000)		(1,700,000)
Net difference between tax bases and the reported amount of REIT assets and liabilities	4,700,000,000		5,100,000,000
Period during which subject built-in gains tax (in years)	10 years
NOL carryforward related to TRS entities	311,000,000
NOL carryforward related to REIT	$ 714,000,000

[1] Includes approximately $0.0 million, $2.7 million and $2.0 million, respectively, of deferred tax assets included in other assets on our Consolidated Balance Sheets.