FAIR VALUE MEASUREMENT (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Jun. 30, 2014
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration on acquisition date		$ 400,000
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at January 1, 2016	$ 0
Fair value additions	23,100,000
Balance at December 31, 2016	23,100,000
Minimum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration on acquisition date	0
Maximum [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration on acquisition date	$ 45,000,000