Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Assets
Land	$ 542,654	$ 543,546
Income producing property	1,966,612	1,927,407
Real estate investment property, at cost	2,509,266	2,470,953
Accumulated depreciation and amortization	(670,103)	(640,434)
Net income producing property	1,839,163	1,830,519
Properties under development or held for future development	35,314	76,235
Total real estate held for investment, net	1,874,477	1,906,754
Cash and cash equivalents	22,778	15,827
Restricted cash	13,705	10,299
Rents and other receivables, net of allowance for doubtful accounts of $2,975 and $3,392, respectively	61,577	59,745
Prepaid expenses and other assets	117,657	121,082
Total assets	2,090,194	2,113,707
Liabilities
Notes payable	597,442	747,208
Mortgage notes payable	419,755	418,525
Lines of credit	185,000	50,000
Accounts payable and other liabilities	50,281	54,318
Advance rents	13,733	12,528
Tenant security deposits	9,053	8,899
Total liabilities	1,275,264	1,291,478
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: 68,162 and 67,819 shares issued and outstanding at June 30, 2015 and December 31, 2014, respectively	682	678
Additional paid in capital	1,191,594	1,184,395
Distributions in excess of net income	(379,577)	(365,518)
Total shareholders’ equity	812,699	819,555
Noncontrolling interests in subsidiaries	2,231	2,674
Total equity	814,930	822,229
Total liabilities and equity	$ 2,090,194	$ 2,113,707