Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Assets
Land	$ 561,256	$ 561,256
Income producing property	2,095,306	2,076,541
Real estate investment property, at cost	2,656,562	2,637,797
Accumulated depreciation and amortization	(714,689)	(692,608)
Net income producing property	1,941,873	1,945,189
Properties under development or held for future development	27,313	36,094
Total real estate held for investment, net	1,969,186	1,981,283
Cash and cash equivalents	23,575	23,825
Restricted cash	9,889	13,383
Rents and other receivables, net of allowance for doubtful accounts of $2,399 and $2,297, respectively	63,863	62,890
Prepaid expenses and other assets	118,790	109,787
Total assets	2,185,303	2,191,168
Liabilities
Notes payable, net	743,475	743,181
Mortgage notes payable, net	333,853	418,052
Lines of credit	215,000	105,000
Accounts payable and other liabilities	56,348	45,367
Dividends Payable	0	20,434
Advance rents	11,589	12,744
Tenant security deposits	9,604	9,378
Total liabilities	1,369,869	1,354,156
Shareholders’ equity
Preferred shares; $0.01 par value; 10,000 shares authorized; no shares issued or outstanding	0	0
Shares of beneficial interest; $0.01 par value; 100,000 shares authorized: 68,326 and 68,191 shares issued and outstanding at March 31, 2016 and December 31, 2015, respectively	683	682
Additional paid in capital	1,193,750	1,193,298
Distributions in excess of net income	(376,041)	(357,781)
Accumulated other comprehensive loss	(4,225)	(550)
Total shareholders’ equity	814,167	835,649
Noncontrolling interests in subsidiaries	1,267	1,363
Total equity	815,434	837,012
Total liabilities and equity	$ 2,185,303	$ 2,191,168