INVESTMENTS IN COMPANIES AND ASSOCIATES (Tables)

12 Months Ended

Dec. 31, 2017

Investments in and Advances to Affiliates [Line Items]

Summarized data of financial statements associates

Summarized data of the financial statements of associates, unadjusted to the Company's percentage of holdings: *)

	December 31,
	2017			2016
Assets	$	364,805		$	285,988
Liabilities	$	446,335		$	352,892
Income	$	41,546		$	46,324
Net loss	$	(13,206	)	$	(9,740	)

*) The information presented does not include excess cost and goodwill.

300 South Riverside Plaza [Member]

Investments in and Advances to Affiliates [Line Items]

Schedule of investment

	December 31,
	2017			2016
Invested in equity	$	13,142		$	16,142
Accumulated net loss		(2,855	)		(737	)
Total investment	$	10,287		$	15,405

Two Penn Center Plaza [Member]

Investments in and Advances to Affiliates [Line Items]

Schedule of investment

	December 31,
	2017			2016
Invested in equity	$	4,025		$	4,025
Distributions		(672	)		(335	)
Accumulated net loss		(84	)		(203	)
Total investment	$	3,269		$	3,487