FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 6) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
OREO
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	$ (1,556)	$ (2,135)	$ (1,739)	$ (2,379)
Loans held for sale
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	0	0	(517)	0
Loans Receivable | Non-PCI loans
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(979)	(4,736)	(11,275)	(9,346)
Loans Receivable | Non-PCI loans | CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	101	(281)	(845)	1,049
Loans Receivable | Non-PCI loans | C&I
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(707)	(3,916)	(9,806)	(9,919)
Loans Receivable | Non-PCI loans | Residential
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(314)	(538)	(565)	(475)
Loans Receivable | Non-PCI loans | Consumer
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	$ (59)	$ (1)	$ (59)	$ (1)