CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jul. 31, 2013	Jul. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 3,216	$ 1,996
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	20,087	16,724
(Gain) loss on sale of real estate, land, other investments and discontinued operations	(1,943)	73
Gain on involuntary conversion	(966)	0
Impairment of real estate investments	1,803	0
Bad debt expense	178	420
Changes in other assets and liabilities:
Increase in receivable arising from straight-lining of rents	(654)	(944)
(Increase) decrease in accounts receivable	(811)	1,419
Decrease in prepaid and other assets	367	631
Increase in tax, insurance and other escrow	(640)	(713)
Increase in deferred charges and leasing costs	(897)	(1,750)
Decrease in accounts payable, accrued expenses, and other liabilities	(2,456)	(4,112)
Net cash provided by operating activities	17,284	13,744
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from real estate deposits	157	1,039
Payments for real estate deposits	(450)	(780)
Decrease in lender holdbacks for improvements	1,144	624
Increase in lender holdbacks for improvements	(279)	(1,403)
Proceeds from sale of discontinued operations	21,261	875
Proceeds from sale of real estate and other investments	7	0
Insurance proceeds received	1,004	469
Payments for acquisitions of real estate assets	(3,099)	(33,472)
Payments for development and re-development of real estate assets	(26,476)	(12,997)
Payments for improvements of real estate assets	(7,224)	(8,786)
Net cash used by investing activities	(13,955)	(54,431)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from mortgages payable	4,100	35,450
Principal payments on mortgages payable	(22,916)	(15,984)
Proceeds from revolving line of credit and other debt	6,313	16,593
Proceeds from financing liability	7,900	0
Proceeds from sale of common shares, net of issue costs	0	2,168
Proceeds from sale of common shares under distribution reinvestment and share purchase program	15,941	11,357
Repurchase of fractional shares and partnership units	0	(6)
Distributions paid to common shareholders, net of reinvestment of $3,549 and $2,971, respectively	(9,715)	(8,763)
Distributions paid to preferred shareholders	(2,879)	(593)
Distributions paid to noncontrolling interests - Unitholders of the Operating Partnership, net of reinvestment of $183 and $157, respectively	(2,646)	(2,522)
Distributions paid to noncontrolling interests - consolidated real estate entities	(367)	0
Net cash (used) provided by financing activities	(4,269)	37,700
NET DECREASE IN CASH AND CASH EQUIVALENTS	(940)	(2,987)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	94,133	39,989
CASH AND CASH EQUIVALENTS AT END OF PERIOD	93,193	37,002
SUPPLEMENTARY SCHEDULE OF NON-CASH INVESTING AND FINANCING
Distribution reinvestment plan	3,549	2,971
Operating partnership distribution reinvestment plan	183	157
Operating partnership units converted to shares	706	337
Shares issued under the Incentive Award Plan	112	398
Other Significant Noncash Transaction, Value of Consideration Received	3,000	0
Real estate assets acquired through the issuance of operating partnership units	3,280	6,428
Real estate assets acquired through assumption of indebtedness and accrued costs	0	12,500
Adjustments to accounts payable included within real estate investments	4,547	(1,808)
Cash paid during the year for:
Cash paid for interest, net of amounts capitalized of $580 and $161, respectively	$ 14,220	$ 16,124