Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Investment in real estate:
Land	$ 544,470	$ 544,462
Land improvements	1,766,231	1,762,122
Buildings and other depreciable property	298,438	278,403
Real Estate Investment Property, at Cost, Total	2,609,139	2,584,987
Accumulated depreciation	(737,354)	(700,665)
Net investment in real estate	1,871,785	1,884,322
Cash and cash equivalents	85,344	12,659
Short-term investments		52,266
Acquisition escrow deposit	300,000
Notes receivable, net	28,116	25,726
Investment in joint ventures	8,322	8,446
Rent and other customer receivables, net	482	419
Deferred financing costs, net	13,123	10,688
Inventory	2,762	3,177
Deferred commission expense	17,245	14,898
Escrow deposits and other assets	41,374	35,794
Total Assets	2,368,553	2,048,395
Liabilities:
Mortgage notes payable	1,357,458	1,412,919
Unsecured lines of credit
Accrued payroll and other operating expenses	61,824	52,782
Deferred revenue - upfront payments from right-to-use contracts	50,259	44,349
Deferred revenue - right-to-use annual payments	16,834	12,642
Accrued interest payable	6,847	7,174
Rents and other customer payments received in advance and security deposits	52,153	47,738
Distributions payable	15,591	10,633
Total Liabilities	1,560,966	1,588,237
Commitments and contingencies
Non-controlling interests - Perpetual Preferred OP Units		200,000
8.034% Series A Cumulative Redeemable Perpetual Preferred Stock $0.01 par value per share, 10,000,000 shares authorized, 8,000,000 issued and outstanding as of June 30, 2011 and none issued and outstanding as of December 31, 2010, at liquidation value	200,000
Stockholders' Equity:
Common stock, $0.01 par value 100,000,000 shares authorized; 37,267,833 and 30,972,353 shares issued and outstanding as of June 30, 2011 and December 31, 2010, respectively	372	310
Paid-in capital	780,617	463,722
Distributions in excess of accumulated earnings	(236,888)	(237,002)
Accumulated other comprehensive loss	(336)
Total Stockholders' Equity	543,765	227,030
Non-controlling interests - Common OP Units	63,822	33,128
Total Equity	607,587	260,158
Total Liabilities and Equity	$ 2,368,553	$ 2,048,395