CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	6 Months Ended
Oct. 31, 2015	Oct. 31, 2014
CASH FLOWS FROM FINANCING ACTIVITIES
Distributions paid to common shareholders, reinvestment	$ 3,997	$ 7,725
Distributions paid to noncontrolling interests - Unitholders of the Operating Partnership, reinvestment	130	365
Cash paid for interest	$ 3,367	$ 2,232

The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration