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OPERATING SEGMENTS (Details 2) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017 | Sep. 30, 2017
--- | --- | --- | ---
Segment Reporting [Abstract] |  |  |
Segment assets | $ 1,049,990 |  | $ 939,243
Investments in unconsolidated investees | 7,504 | $ 6,396 | 6,335
Notes and interest receivable | 124,020 | 112,095 | 102,555
Other assets | 220,924 |  | 184,431
Total assets | $ 1,402,438 | $ 1,296,720 | $ 1,232,564

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