CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (Loss) Income	$ (1,123)	$ 1,055
Adjustments to Reconcile Net (Loss) Income to Net Cash Provided by Operating Activities:
Depreciation	22,548	27,318
Amortization of Deferred Financing Costs	854	875
Other Amortization	8,001	7,787
Impairment of Real Estate, Net	0	1,246
Provision for Bad Debt	164	227
Equity in Income of Joint Ventures	(20)	(91)
Distributions from Joint Ventures	0	27
Loss (Gain) on Sale of Real Estate	2,812	(6,199)
Gain on Change in Control of Interests	0	(776)
Loss (Gain) from Retirement of Debt	1,150	(1)
Mark-to-Market Loss (Gain) on Interest Rate Protection Agreements	4	(124)
Increase in Tenant Accounts Receivable, Prepaid Expenses and Other Assets, Net	(1,675)	(527)
Increase in Deferred Rent Receivable	(1,351)	(1,078)
(Decrease) Increase in Accounts Payable, Accrued Expenses, Other Liabilities, Rents Received in Advance and Security Deposits	(10,107)	498
Payments of Premiums, Discounts and Prepayment Penalties Associated with Retirement of Debt	(856)	0
Net Cash Provided by Operating Activities	20,401	30,237
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions of Real Estate	(9,745)	(9,598)
Additions to Investment in Real Estate and Non-Acquisition Tenant Improvements and Lease Costs	(27,060)	(19,230)
Net Proceeds from Sales of Investments in Real Estate	10,670	19,467
Contributions to and Investments in Joint Ventures	(18)	(5)
Repayments of Notes Receivable	152	8,007
Decrease in Escrows	599	0
Net Cash Used in Investing Activities	(25,402)	(1,359)
CASH FLOWS FROM FINANCING ACTIVITIES:
Debt and Equity Issuance Costs	(98)	(88)
Proceeds from the Issuance of Common Stock, Net of Underwriter’s Discount	132,258	18,063
Repurchase and Retirement of Restricted Stock	(2,401)	(785)
Preferred Dividends Paid / Advanced	(4,289)	(4,311)
Payments on Interest Rate Swap Agreement	(305)	(280)
Repayments on Mortgage and Other Loans Payable	(17,774)	(15,127)
Repayments of Senior Unsecured Notes	(3,995)	(406)
Proceeds from Unsecured Credit Facility	52,000	38,000
Repayments on Unsecured Credit Facility	(132,000)	(72,000)
Net Cash Provided by (Used in) Financing Activities	23,396	(36,934)
Net Effect of Exchange Rate Changes on Cash and Cash Equivalents	(14)	7
Net Increase (Decrease) in Cash and Cash Equivalents	18,395	(8,056)
Cash and Cash Equivalents, Beginning of Year	4,938	10,153
Cash and Cash Equivalents, End of Year	$ 23,319	$ 2,104