ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Impairment of Assets (Details)	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Maximum [Member]
Real Estate [Line Items]
Fair Value Input Terminal Capitalization Rate	13.00%	10.00%	15.50%
Minimum [Member]
Real Estate [Line Items]
Fair Value Input Terminal Capitalization Rate	5.80%	5.00%	4.50%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration