Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities:
Net income (loss)	$ 2,090,000	$ (12,915,000)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	49,050,000	51,823,000
Amortization of above and below market leases	(208,000)	(855,000)
Hedge ineffectiveness		(151,000)
(Gain) loss on sale of properties and properties held for sale, less applicable income tax		18,203,000
Equity in losses of non-consolidated REITs	387,000	598,000
Increase (decrease) in allowance for doubtful accounts	(80,000)	25,000
Changes in operating assets and liabilities:
Tenant rent receivables	(836,000)	(1,618,000)
Straight-line rents	299,000	(1,897,000)
Lease acquisition costs	(398,000)	(318,000)
Prepaid expenses and other assets	325,000	(503,000)
Accounts payable, accrued expenses and other items	(8,609,000)	(6,829,000)
Accrued compensation	(1,863,000)	(1,855,000)
Tenant security deposits	193,000	12,000
Payment of deferred leasing commissions	(6,641,000)	(3,632,000)
Net cash provided by operating activities	33,709,000	40,088,000
Cash flows from investing activities:
Property improvements, fixtures and equipment	(24,281,000)	(28,464,000)
Distributions in excess of earnings from non-consolidated REITs	710,000	691,000
Repayment of related party mortgage receivable	530,000	9,530,000
Proceeds received on sales of real estate assets		6,160,000
Net cash used in investing activities	(23,041,000)	(12,083,000)
Cash flows from financing activities:
Distributions to stockholders	(30,025,000)	(40,748,000)
Borrowings under bank note payable	30,000,000	40,000,000
Repayments of bank note payable	(10,000,000)	(25,000,000)
Deferred financing costs	(14,000)
Net cash used in financing activities	(10,039,000)	(25,748,000)
Net increase in cash, cash equivalents and restricted cash	629,000	2,257,000
Cash, cash equivalents and restricted cash, beginning of year	9,819,000	9,366,000
Cash, cash equivalents and restricted cash, end of period	10,448,000	11,623,000
Cash paid for:
Interest	18,001,000	14,542,000
Taxes	485,000	583,000
Non-cash investing and financing activities:
Accrued costs for purchases of real estate assets	$ 5,360,000	$ 10,041,000