OPERATING SEGMENTS (Details 2) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017
Segment assets	$ 977,985	$ 979,870	$ 901,882
Investments in real estate partnerships	2,483	2,472	2,438
Notes and interest receivable			76,856
Other assets	54,751	60,907	246,539
Total assets	1,330,589	$ 1,313,422	1,227,715
Total Segments [Member]
Segment assets	977,985		$ 901,882
Investments in real estate partnerships	2,483
Notes and interest receivable	83,342
Other assets	266,779
Total assets	$ 1,330,589