CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Oct. 31, 2015	Oct. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 21,404	$ 5,671
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	28,594	26,033
Depreciation and amortization from discontinued operations	5,300	9,441
(Gain) Loss on sale of real estate, land, other investments and discontinued operations	(23,733)	1,762
Noncash loss on extinguishment of debt	904	0
Share-based compensation expense	605	1,675
Impairment of real estate investments	3,598	5,565
Bad debt expense	162	455
Changes in other assets and liabilities:
Receivable arising from straight-lining of rents	512	(270)
Accounts receivable	1,230	4,457
Prepaid and other assets	379	2,181
Tax, insurance and other escrow	565	323
Deferred charges and leasing costs	(576)	(1,976)
Accounts payable, accrued expenses, and other liabilities	(4,626)	(3,096)
Net cash provided by operating activities	34,318	52,221
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from real estate deposits	2,837	245
Payments for real estate deposits	(792)	(5,024)
Decrease in lender holdbacks for improvements	3,258	4,840
Increase in lender holdbacks for improvements	(578)	(621)
Proceeds from sale of discontinued operations	364,559	0
Proceeds from sale of real estate and other investments	6,783	17,106
Insurance proceeds received	432	2,102
Payments for acquisitions of real estate assets	(71,381)	(23,142)
Payments for development and re-development of real estate assets	(79,298)	(87,388)
Payments for improvements of real estate assets	(13,510)	(11,311)
Payments for improvements of real estate assets from discontinued operations	(4,993)	(4,317)
Net cash provided (used) by investing activities	207,317	(107,510)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from mortgages payable	92,719	43,500
Principal payments on mortgages payable	(205,833)	(40,922)
Proceeds from revolving lines of credit	43,000	35,000
Principal payments on revolving lines of credit and other debt	(148,504)	(17,000)
Proceeds from construction debt	46,775	44,560
Proceeds from sale of common shares under distribution reinvestment and share purchase program	1,493	26,731
Proceeds from noncontrolling partner - consolidated real estate entities	826	1,551
Repurchase of common shares	(21,931)	0
Distributions paid to common shareholders, net of reinvestment of $3,997 and $7,725, respectively	(28,528)	(21,759)
Distributions paid to preferred shareholders	(5,757)	(5,757)
Distributions paid to noncontrolling interests - Unitholders of the Operating Partnership, net reinvestment of $130 and $365, respectively	(3,496)	(4,513)
Distributions paid to noncontrolling interests - consolidated real estate entities	(6,236)	(370)
Net cash (used) provided by financing activities	(235,472)	61,021
NET INCREASE IN CASH AND CASH EQUIVALENTS	6,163	5,732
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	48,970	47,267
CASH AND CASH EQUIVALENTS AT END OF PERIOD	55,133	52,999
SUPPLEMENTARY SCHEDULE OF NON-CASH INVESTING AND FINANCING ACTIVITIES FOR THE PERIOD
Distribution reinvestment plan	3,997	7,725
Operating partnership distribution reinvestment plan	130	365
Operating partnership units converted to shares	855	37,700
Real estate assets acquired through the issuance of operating partnership units	400	100
Real estate assets acquired through assumption of indebtedness and accrued costs	0	12,169
Increase to accounts payable included within real estate investments	1,241	9,569
Real estate assets contributed by noncontrolling interest - consolidated real estate entities	0	2,206
Construction debt reclassified to mortgages payable	41,649	0
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid for interest, net of amounts capitalized of $3,367 and $2,232, respectively	$ 16,846	$ 26,128