FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 4) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Loans held for sale
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	$ 0	$ 517,000	$ 2,400,000	$ 517,000
Fair Value, Measurements, Nonrecurring | OREO
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(1,073,000)	(200,000)	(1,529,000)	(258,000)
Fair Value, Measurements, Nonrecurring | Loans held for sale
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	0	(517,000)	(2,351,000)	(517,000)
Fair Value, Measurements, Nonrecurring | Loans Receivable | Non-PCI impaired loans
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(4,960,000)	(7,116,000)	(7,200,000)	(10,550,000)
Fair Value, Measurements, Nonrecurring | Loans Receivable | Non-PCI impaired loans | CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(261,000)	(445,000)	1,908,000	(905,000)
Fair Value, Measurements, Nonrecurring | Loans Receivable | Non-PCI impaired loans | C&I
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(4,693,000)	(6,454,000)	(9,149,000)	(9,303,000)
Fair Value, Measurements, Nonrecurring | Loans Receivable | Non-PCI impaired loans | Residential
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(4,000)	(216,000)	27,000	(341,000)
Fair Value, Measurements, Nonrecurring | Loans Receivable | Non-PCI impaired loans | Consumer
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	$ (2,000)	$ (1,000)	$ 14,000	$ (1,000)