VARIABLE INTEREST ENTITIES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Variable Interest Entity [Line Items]
Cash and cash equivalents	$ 153,210	$ 138,396	$ 149,647	$ 228,558
Premises and equipment, net	114,434	93,633
Other assets	170,129	140,912
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Cash and cash equivalents	42	0
Premises and equipment, net	6,592	0
Other assets	9	0
Total assets	6,643	0
Accrued interest and other liabilities / Total liabilities	5	$ 0
Variable Interest Entity, Primary Beneficiary [Member] | 706 North Clinton [Member]
Variable Interest Entity [Line Items]
Minority interest	3,320
Loss of minority interest	5,100
Minority interest loss exposure related to financing agreement	$ 1,800
Variable Interest Entity, Primary Beneficiary [Member] | 706 North Clinton [Member] | Oneida Preferred Funding II LLC [Member]
Variable Interest Entity [Line Items]
Percentage of membership interest	50.00%