CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	$ 1,996	$ 1,573
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	16,724	15,301
Loss on sale of real estate, land and other investments	73	0
Impairment of real estate investments	0	0
Bad debt expense	420	85
Changes in other assets and liabilities:
Increase in receivable arising from straight-lining of rents	(944)	(419)
Decrease (increase) in accounts receivable	1,419	(148)
Decrease in prepaid and other assets	631	354
Increase in tax, insurance and other escrow	(713)	(366)
Increase in deferred charges and leasing costs	(1,750)	(1,302)
Decrease in accounts payable, accrued expenses, and other liabilities	(4,112)	(4,733)
Net cash provided by operating activities	13,744	10,345
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from real estate deposits	1,039	381
Payments for real estate deposits	(780)	(510)
Decrease in lender holdbacks for improvements	624	924
Increase in lender holdbacks for improvements	(1,403)	(488)
Proceeds from sale of discontinued operations	875	0
Proceeds from sale of real estate and other investments	0	4
Insurance proceeds received	469	50
Payments for acquisitions and improvements of real estate assets	(55,255)	(12,242)
Net cash used by investing activities	(54,431)	(11,881)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from mortgages payable	35,450	21,445
Principal payments on mortgages payable	(15,984)	(14,286)
Principal payments on revolving line of credit and other debt	0	(10)
Proceeds from revolving line of credit and other debt	16,593	4,000
Proceeds from sale of common shares, net of issue costs	2,168	106
Proceeds from sale of common shares under distribution reinvestment and share purchase program	11,357	1,593
Repurchase of fractional shares and partnership units	(6)	(7)
Distributions paid to common shareholders, net of reinvestment of $2,971 and $2,742, respectively	(8,763)	(11,108)
Distributions paid to preferred shareholders	(593)	(593)
Distributions paid to noncontrolling interests - Unitholders of the Operating Partnership, net of reinvestment of $157 and $208, respectively	(2,522)	(3,216)
Distributions paid to noncontrolling interests - consolidated real estate entities	0	(245)
Distributions paid to redeemable noncontrolling interests - consolidated real estate entities	0	(27)
Net cash provided (used) by financing activities	37,700	(2,348)
NET DECREASE IN CASH AND CASH EQUIVALENTS	(2,987)	(3,884)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	39,989	41,191
CASH AND CASH EQUIVALENTS AT END OF PERIOD	37,002	37,307
SUPPLEMENTARY SCHEDULE OF NON-CASH INVESTING AND FINANCING
Distribution reinvestment plan	2,971	2,742
Operating partnership distribution reinvestment plan	157	208
Operating partnership units converted to shares	337	999
Real estate assets acquired through the issuance of operating partnership units	6,428	0
Real estate assets acquired through assumption of indebtedness and accrued costs	12,500	0
Adjustments to accounts payable included within real estate investments	(1,808)	1,843
Fair value adjustments to redeemable noncontrolling interests	0	298
Involuntary conversion of assets due to flood damage	0	2,176
Construction debt reclassified to mortgages payable	0	2,000
Cash paid during the year for:
Interest on mortgages	15,561	14,751
Interest other	563	817
Cash paid during the period, total	$ 16,124	$ 15,568