Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Investment in real estate:
Land	$ 1,101,676	$ 1,091,550
Land improvements	2,787,882	2,734,304
Buildings and other depreciable property	588,041	562,059
Investment in real estate	4,477,599	4,387,913
Accumulated depreciation	(1,282,423)	(1,169,492)
Net investment in real estate	3,195,176	3,218,421
Cash	80,258	73,714	$ 58,427	$ 37,126
Notes receivable, net	35,463	37,137
Investment in unconsolidated joint ventures	17,741	13,512
Deferred financing costs, net	23,368	21,833
Deferred commission expense	30,865	28,589	25,251
Escrow deposits, goodwill and other assets, net	37,190	53,133
Total Assets	3,420,061	3,446,339	3,392,309
Liabilities:
Mortgage notes payable	1,945,713	2,012,246
Term loan	200,000	200,000
Unsecured lines of credit	0	0
Accrued expenses and accounts payable	76,044	64,520
Deferred revenue—upfront payments from right-to-use contracts	78,405	74,174	68,673
Deferred revenue—right-to-use annual payments	9,878	9,790
Accrued interest payable	8,715	9,496
Rents and other customer payments received in advance and security deposits	74,300	67,463
Distributions payable	34,315	29,623
Total Liabilities	2,427,370	2,467,312
Stockholders’ Equity:
Preferred stock value	0	0
Common stock, $.01 par value	843	838
Paid-in capital	1,039,140	1,029,601
Distributions in excess of accumulated earnings	(250,506)	(254,209)
Accumulated other comprehensive loss	(553)	(381)
Total Stockholders’ Equity	925,068	911,993
Non-controlling interests – Common OP Units	67,623	67,034
Total Equity	992,691	979,027	$ 963,205	$ 924,302
Total Liabilities and Equity	3,420,061	3,446,339
6.75% Series C Cumulative Redeemable Perpetual Preferred Stock
Stockholders’ Equity:
Preferred stock value	$ 136,144	$ 136,144