DISCONTINUED OPERATIONS - Narrative (Details) - Discontinued Operations, Held-for-sale	3 Months Ended
Mar. 31, 2019 USD ($) property	Mar. 31, 2018 property	Dec. 31, 2018 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of real estate properties classified as held for sale in discontinued operations \| property	0	0
Assets	$ 0		$ 0
Liabilities	$ 0		$ 0

Amount classified as liabilities attributable to disposal group held for sale or disposed of.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant