FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 4) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Loans held for sale
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	$ (2,400,000)	$ 0
Fair Value, Measurements, Nonrecurring | OREO
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(461,000)	(277,000)
Fair Value, Measurements, Nonrecurring | Loans held for sale
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(2,351,000)	0
Fair Value, Measurements, Nonrecurring | Loans Receivable | Non-PCI loans
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	163,000	(1,868,000)
Fair Value, Measurements, Nonrecurring | Loans Receivable | Non-PCI loans | CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	2,178,000	841,000
Fair Value, Measurements, Nonrecurring | Loans Receivable | Non-PCI loans | C&I
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(1,935,000)	(2,470,000)
Fair Value, Measurements, Nonrecurring | Loans Receivable | Non-PCI loans | Residential
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(83,000)	(239,000)
Fair Value, Measurements, Nonrecurring | Loans Receivable | Non-PCI loans | Consumer
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	$ 3,000	$ 0