EQUITY - Issuance and Redemption of Preferred Shares (Details) - shares	3 Months Ended
	Jan. 31, 2018	Oct. 31, 2017
Series C Preferred Stock [Member]
Issuance of Series C Preferred Shares and Redemption of Series B Preferred Shares
Preferred shares issued (in shares)		4,118,460
Distribution rate percentage	6.625%
Series B Preferred Stock [Member]
Issuance of Series C Preferred Shares and Redemption of Series B Preferred Shares
Stock redeemed during period (in shares)		4,600,000
Distribution rate percentage	7.95%