OPERATING SEGMENTS (Details 2) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Segment assets	$ 1,009,081	$ 979,870	$ 920,829
Investments in real estate partnerships	2,474	2,472
Other assets	54,772	60,907
Total assets	1,368,745	$ 1,313,422
Total Segments [Member]
Segment assets	1,009,081		920,829
Investments in real estate partnerships	2,474		2,428
Notes and interest receivable	83,463		78,868
Other assets	273,727		247,966
Total assets	$ 1,368,745		$ 1,250,091