COMMITMENTS AND CONTINGENCIES (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating Leases, Rent Expense, Net [Abstract]
Operating lease rent expense	$ 9.7	$ 8.6	$ 8.5
Reserve requirement	$ 53.5	$ 35.8
Minimum [Member]
Operating Leases, Rent Expense, Net [Abstract]
Operating lease renewal period option	5 years
Maximum [Member]
Operating Leases, Rent Expense, Net [Abstract]
Operating lease renewal period option	10 years