COMMITMENTS AND CONTINGENCIES (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating Leases, Rent Expense, Net [Abstract]
Operating lease rent expense	$ 7,900,000	$ 7,600,000	$ 7,000,000
Reserve requirement	33,000,000	21,000,000
Minimum [Member]
Operating Leases, Rent Expense, Net [Abstract]
Operating lease renewal period option	1 year
Maximum [Member]
Operating Leases, Rent Expense, Net [Abstract]
Operating lease renewal period option	10 years
Affiliated Entity [Member]
Operating Leases, Rent Expense, Net [Abstract]
Operating lease rent expense	$ 1,000,000	$ 1,008,510	$ 991,000