CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2015	Jul. 31, 2014
CASH FLOWS FROM FINANCING ACTIVITIES
Distributions paid to common shareholders, reinvestment	$ 3,997	$ 3,801
Distributions paid to noncontrolling interests - Unitholders of the Operating Partnership, reinvestment	130	185
Cash paid for interest	$ 2,310	$ 1,030