CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Real estate:
Land	$ 803,156us-gaap_Land	$ 815,565us-gaap_Land
Land held for sale	36,746us-gaap_LandAvailableForSale	13,114us-gaap_LandAvailableForSale
Construction in progress	83,611us-gaap_ConstructionInProgressGross	118,595us-gaap_ConstructionInProgressGross
Buildings, improvements and equipment	4,859,169us-gaap_PropertyPlantAndEquipmentGross	4,817,453us-gaap_PropertyPlantAndEquipmentGross
Real estate, gross	5,782,682	5,764,727
Less: accumulated depreciation	(1,381,762)	(1,371,227)
Real estate, net	4,400,920us-gaap_RealEstateInvestmentPropertyNet	4,393,500us-gaap_RealEstateInvestmentPropertyNet
Cash and cash equivalents	22,130	11,131
Cash in escrows	25,978	24,118
Accounts receivable, net	17,053us-gaap_AccountsReceivableNet	19,556us-gaap_AccountsReceivableNet
Prepaid expenses	17,003	23,484
Deferred charges, net	8,590us-gaap_DeferredFinanceCostsNet	9,250us-gaap_DeferredFinanceCostsNet
Other assets	2,299us-gaap_OtherAssets	7,496us-gaap_OtherAssets
Total assets	4,493,973us-gaap_Assets	4,488,535us-gaap_Assets
LIABILITIES AND EQUITY
Mortgage notes payable	1,596,881us-gaap_SecuredDebt	1,637,175us-gaap_SecuredDebt
Unsecured notes payable	550,000us-gaap_UnsecuredDebt	550,000us-gaap_UnsecuredDebt
Unsecured line of credit	291,500us-gaap_LineOfCredit	269,000us-gaap_LineOfCredit
Accounts payable	27,376	25,835
Accrued interest payable	9,819	7,732
Accrued expenses and other liabilities	42,812	38,732
Security deposits	19,161us-gaap_SecurityDepositLiability	18,631us-gaap_SecurityDepositLiability
Total liabilities	2,537,549us-gaap_Liabilities	2,547,105us-gaap_Liabilities
Commitments and contingencies
Equity:
Preferred stock, $0.01 par value; 10,000,000 shares authorized; no shares issued or outstanding
Common stock, $0.01 par value; 160,000,000 shares authorized; 57,900,935 and 57,703,957 shares issued and outstanding at March 31, 2015 and December 31, 2014, respectively	579us-gaap_CommonStockValue	577us-gaap_CommonStockValue
Excess stock, $0.01 par value; 10,000,000 shares authorized; no shares issued or outstanding
Additional paid-in capital	2,049,494	2,041,394
Distributions in excess of accumulated earnings	(373,738)	(387,004)
Accumulated other comprehensive income (loss)	(7,035)	(1,749)
Total common stockholders' equity	1,669,300us-gaap_StockholdersEquity	1,653,218us-gaap_StockholdersEquity
Noncontrolling interest	287,124us-gaap_MinorityInterest	288,212us-gaap_MinorityInterest
Total equity	1,956,424	1,941,430
Total liabilities and equity	$ 4,493,973	$ 4,488,535

If any shareholder exceeds the Ownership Limit of 8% of outstanding shares, and no waiver has been given, the Common Shares in excess of 8% are automatically converted into shares of Excess Stock, which do not have voting rights or dividend rights and are restricted as to transfer rights.

No definition available.