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FAIR VALUE (Details) - USD ($)
shares in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Available for sale securities $ 45,174,000   $ 45,174,000   $ 0
Fair value of acquisition related contingent consideration 2,757,000   2,757,000   3,932,000
Change in the fair value of Equator Earn Out $ 0 $ 0 $ 0 $ (7,591,000)  
Equator LLC          
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Payment made to extinguish contingent consideration       $ 500,000  
Value of contingent consideration after payment to sellers         $ 0
Residential          
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Available-for-sale securities, number of shares 4.1   4.1