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REDEEMABLE NON-CONTROLLING INTERESTS (Details) - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Changes in Carrying Amount of Redeemable Non-Controlling Interest [Roll Forward]    
Beginning balance $ 8,843,000  
Operating results allocated to redeemable non-controlling interest partners 512,000  
Distributions to redeemable non-controlling interest partners (428,000)  
Reclass of non-controlling interest 976,000  
Payments for purchase of redeemable non-controlling interests (1,262,000)  
Ending balance 8,641,000 $ 8,843,000
Redeemable Noncontrolling Interest [Line Items]    
Purchase price for additional non controlling interest 388,000 $ 8,700,000
January 2018 [Member]    
Redeemable Noncontrolling Interest [Line Items]    
Purchase price for additional non controlling interest in cash 1,200,000  
Purchase price for additional non controlling interest $ 100,000