EQUITY (Details) - USD ($)	3 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Oct. 31, 2013
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Aggregate offering price			$ 75,000,000
Units converted to common stock (in shares)	0	78,000
Units converted to common stock		$ 576,000
2015 Incentive Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Equity awards issued (in shares)	378,000
Shares issued	$ 1,400,000
2008 Incentive Award Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Equity awards issued (in shares)	59,000	220,000
Shares issued	$ 352,000	$ 1,600,000
Distribution Reinvestment and Share Purchase Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Shares issued (in shares)	0	766,000
Shares issued		$ 5,200,000
Average price of shares issued (in dollars per share)		$ 6.84
Distribution Reinvestment and Share Purchase Plan [Member] | Maximum [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Shares registered (in shares)	10,000