EARNINGS PER SHARE (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Jul. 31, 2013	Jul. 31, 2012
NUMERATOR [Abstract]
Income from continuing operations - Investors Real Estate Trust	$ 1,718	$ 1,571
Income from discontinued operations - Investors Real Estate Trust	1,360	108
Net income attributable to Investors Real Estate Trust	3,078	1,679
Dividends to preferred shareholders	(2,879)	(593)
Numerator for basic earnings per share - net income available to common shareholders	199	1,086
Noncontrolling interests - Operating Partnership	50	251
Numerator for diluted earnings per share	$ 249	$ 1,337
DENOMINATOR [Abstract]
Denominator for basic earnings per share weighted average shares	102,358	90,518
Effect of convertible operating partnership units	21,821	20,774
Denominator for diluted earnings per share	124,179	111,292
(Loss) earnings per common share from continuing operations - Investors Real Estate Trust - basic and diluted	$ (0.01)	$ 0.01
Earnings per common share from discontinued operations - Investors Real Estate Trust - basic and diluted	$ 0.01	$ 0.00
NET INCOME PER COMMON SHARE - BASIC AND DILUTED	$ 0.00	$ 0.01

Equity impact of aggregate cash, stock, and paid-in-kind dividends declared for preferred shareholders during the period.

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