SUBSEQUENT EVENTS (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	6 Months Ended
	Sep. 01, 2016	Dec. 02, 2016	Oct. 31, 2016	Dec. 07, 2016	Apr. 30, 2016
Common Shares and Limited Partnership Units [Member]
Subsequent Event [Line Items]
Dividends Payable, Date Declared			Dec. 07, 2016
Record Date			Jan. 03, 2017
Payment Date			Jan. 17, 2017
Series B Preferred Stock [Member]
Subsequent Event [Line Items]
Dividends Payable, Date Declared			Dec. 07, 2016
Record Date			Dec. 23, 2016
Payment Date			Jan. 02, 2017
Shares outstanding (in shares)			4,600,000		4,600,000
Series A Preferred Stock [Member]
Subsequent Event [Line Items]
Distribution rate percentage (in hundredths)	8.25%
Shares outstanding (in shares)			1,150,000		1,150,000
Subsequent Event [Member] | Common Shares and Limited Partnership Units [Member]
Subsequent Event [Line Items]
Quarterly amount per share or unit (in dollars per share)				$ 0.1300
Subsequent Event [Member] | Series B Preferred Stock [Member]
Subsequent Event [Line Items]
Quarterly amount per share or unit (in dollars per share)				$ 0.4968
Subsequent Event [Member] | Series A Preferred Stock [Member]
Subsequent Event [Line Items]
Shares redeemed		1,150,000
Redemption price (in dollars per share)		$ 25.00
Redemption date		Dec. 02, 2016
Aggregate redemption price		$ 29,164
Shares outstanding (in shares)		0