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ACQUISITIONS OF NON-CONTROLLING INTERESTS (Details) | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 USD ($) Installment Partnership | Sep. 30, 2015 USD ($) | Dec. 31, 2015 USD ($) Installment Partnership | Feb. 29, 2016 USD ($)
Business Acquisition [Line Items] |  |  |  |
Number of partnership in which interest acquired | Partnership | 4 |  | 8 |
Number of partnership in which interest sold | Partnership | 2 |  |  |
Sale of non-controlling interest percentage in partnership one | 4.00% |  |  |
Sale of non-controlling interest percentage in partnership two | 35.00% |  |  |
Cash proceeds from sale of non-controlling interest | $ 138,000 |  |  |
Amount of notes receivable from sale of non-controlling interest | 148,000 |  |  |
Total sale price | 286,000 |  |  |
Tax effect on sale price | 110,000 |  |  |
Purchase price for additional non controlling interest | 803,000 |  | $ 8,700,000 |
Acquisitions of noncontrolling interests | 1,800,000 | $ 2,802,000 | 5,600,000 |
Seller notes | $ 388,000 |  | 1,800,000 | $ 500,000
Notes payable |  |  | $ 3,100,000 |
Number of installments | Installment | 2 |  | 2 |
Accrued interest rate |  |  | 3.25% |
Book value of purchase price | $ 85,000 |  | $ 260,000 |
Remaining purchase price | 1,106,000 |  | 8,400,000 |
Future tax benefits | 426,000 |  | 3,300,000 |
February 2017 [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition cost payable in two principal installments including accrued interest | 194,000 |  |  |
February 2018 [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition cost payable in two principal installments including accrued interest | $ 194,000 |  |  |
December 31, 2018 [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition cost payable in two principal installments including accrued interest |  |  | 1,200,000 |
January 31, 2019 [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition cost payable in two principal installments including accrued interest |  |  | $ 1,900,000 |
Minimum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percentage of interest acquired | 23.00% |  | 5.00% |
Maximum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percentage of interest acquired | 35.00% |  | 35.00% |

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