INVESTMENT IN UNCONSOLIDATED JOINT VENTURE (Consolidated Joint Ventures) (Narrative) (Details) - Medical Office Building - Lakeway Texas Joint Venture - Consolidated Entity $ in Millions	1 Months Ended	3 Months Ended
Feb. 28, 2019 USD ($) ft²	Mar. 31, 2019 USD ($)
Number of square foot \| ft²	100,000
Estimate of initial construction costs	$ 36.0
Joint venture ownership percentage	90.00%
Parcel of land acquired		$ 3.6
Outside Investors
Joint venture ownership percentage	10.00%

The cash outflow for acquisition of land for use; excludes purchases of land held as inventory or as investments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration