RELATED PARTY TRANSACTIONS (Details)		3 Months Ended
	Jul. 06, 2017 USD ($) $ / shares shares	Jul. 31, 2017 USD ($) property
Related Party Transaction [Line Items]
Shares repurchased		$ 3,936,000
Share price (in dollars per share) | $ / shares	$ 6.11
Board of Trustees [Member]
Related Party Transaction [Line Items]
Shares repurchased (in shares) | shares	33,755
Shares repurchased	$ 195,779
Share price (in dollars per share) | $ / shares	$ 5.80
Senior Housing properties [Member]
Sales Agreement [Abstract]
Number of real estate properties classified as held for sale | property		2
Sales price of pending disposition		$ 36,900,000