CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Oct. 31, 2016	Oct. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net (loss) income	$ (28,304)	$ 21,404
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	28,548	28,594
Depreciation and amortization from discontinued operations	64	5,300
(Gain) loss on sale of real estate, land, other investments and discontinued operations	(15,358)	(23,733)
Gain on extinguishment of debt and discontinued operations	72	904
Share-based compensation expense	865	605
Impairment of real estate investments	54,153	3,598
Bad debt expense	371	162
Changes in other assets and liabilities:
Receivable arising from straight-lining of rents	(487)	512
Accounts receivable	(588)	1,230
Prepaid and other assets	(541)	379
Tax, insurance and other escrow	(200)	565
Deferred charges and leasing costs	(851)	(576)
Accounts payable, accrued expenses and other liabilities	(2,357)	(4,626)
Net cash provided by operating activities	35,388	34,318
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to notes receivable	(8,196)
Proceeds from real estate deposits		2,837
Payments for real estate deposits	(1,370)	(792)
Decrease in other investments	50
Decrease in lender holdbacks for improvements	1,925	3,258
Increase in lender holdbacks for improvements	(614)	(578)
Proceeds from sale of discontinued operations	43,896	364,559
Proceeds from sale of real estate and other investments	13,875	6,783
Insurance proceeds received	481	432
Payments for acquisitions of real estate assets		(71,381)
Payments for development and re-development of real estate assets	(10,897)	(79,298)
Payments for improvements of real estate assets	(23,641)	(13,510)
Payments for improvements of real estate assets from discontinued operations		(4,993)
Net cash provided by investing activities	15,509	207,317
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from mortgages payable	1,113	51,070
Principal payments on mortgages payable	(53,208)	(205,833)
Proceeds from revolving lines of credit	30,000	43,000
Principal payments on revolving lines of credit		(106,855)
Proceeds from construction debt	11,174	46,775
Proceeds from sale of common shares under distribution reinvestment and share purchase program		1,493
Proceeds from noncontrolling partner - consolidated real estate entities	8,696	826
Payments for acquisition of noncontrolling interests - consolidated real estate entities	(4,938)
Repurchase of common shares		(21,931)
Distributions paid to common shareholders	(31,556)	(28,528)
Distributions paid to preferred shareholders	(5,757)	(5,757)
Distributions paid to noncontrolling interests - Unitholders of the Operating Partnership	(4,234)	(3,496)
Distributions paid to noncontrolling interests - consolidated real estate entities	(155)	(6,236)
Net cash (used) provided by financing activities	(48,866)	(235,472)
NET DECREASE IN CASH AND CASH EQUIVALENTS	2,031	6,163
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	66,698	48,970
CASH AND CASH EQUIVALENTS AT END OF YEAR	68,729	55,133
SUPPLEMENTARY SCHEDULE OF NON-CASH INVESTING AND FINANCING ACTIVITIES
Distribution reinvestment plan - shares issued		3,997
Operating partnership distribution reinvestment plan - shares issued		130
Operating partnership units converted to shares	134	855
Real estate assets acquired through the issuance of operating partnership units		400
Increase to accounts payable included within real estate investments	3,188	1,241
Construction debt reclassified to mortgages payable	10,549	41,649
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid for interest, net of amounts capitalized of $298 and $3,367, respectively	$ 17,457	$ 16,846