CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash Flows from Operating Activities:
Net (loss) income	$ (9,947)	$ 44,401
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Provision for doubtful accounts	613	497
Depreciation	23,585	23,715
Amortization	2,763	2,271
Amortization/write-off of deferred finance costs	901	899
Amortization/write-off of debt market rate adjustments	(333)	(9)
Amortization of above/below market leases and tenant inducements	8	2,498
Straight-line rent amortization	(811)	42
Provision for impairment	0	2,900
Gain on extinguishment of debt	0	22,840
Gain (Loss) on Sale of Properties	0	(32,509)
Stock based compensation	822	865
Net changes:
Accounts receivable	(40)	380
Prepaid expenses and other assets	1,313	1,581
Deferred expenses	(3,874)	(2,889)
Restricted cash	(1,435)	(1,536)
Accounts payable and accrued expenses	1,080	(1,779)
Net cash provided by operating activities	14,645	18,487
Cash Flows from Investing Activities:
Acquisition/development of real estate and property additions/improvements	0	(48,000)
Proceeds from Sale of Productive Assets	205	90,197
Payments Development, Building and Tenant Improvement	44,582	27,388
Restricted cash	3,251	1,917
Net cash (used in) provided by investing activities	(41,126)	16,726
Cash Flows from Financing Activities:
Proceeds from Stock Options Exercised	303	553
Payments for offering costs	(1,564)	0
Proceeds from refinance/issuance of mortgages, notes and loans payable	108,250	31,850
Borrowing under revolving line of credit	63,000	40,000
Principal payments on mortgages, notes and loans payable	(118,230)	(50,487)
Repayments under revolving line of credit	(11,000)	(50,000)
Dividends paid	(10,404)	(9,817)
Distributions on preferred OP units	(738)	0
Proceeds from (Payments to) Noncontrolling Interests	(502)	0
Deferred financing costs	(1,538)	(289)
Net cash provided by (used in) financing activities	27,577	(38,190)
Net change in cash and cash equivalents	1,096	(2,977)
Cash and cash equivalents at beginning of period	5,420	14,308
Cash and cash equivalents at end of period	6,516	11,331
Supplemental Disclosure of Cash Flow Information:
Interest paid, net of capitalized interest	18,067	16,485
Capitalized interest	(1,047)	(446)
Non-Cash Transactions:
Change in accrued capital expenditures included in accounts payable and accrued expenses	(10,991)	(5,938)
Dividends declared, not yet paid	0	10,478
Capitalized market rate adjustments and deferred financing amortization	30	61
Supplemental non-cash information related to acquisition accounting:
Land	0	(5,320)
Buildings and equipment, net	0	(16,966)
Accounts receivable	0	490
Deferred expenses, net	0	(681)
Prepaid expenses and other assets	0	(224)
Mortgages, notes and loan payable	0	(45,960)
Accounts payable and accrued expenses	$ 0	$ (1,803)