FAIR VALUE (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Covered OREO
Percentage of eligible losses for which the FDIC is obligated to reimburse the Company	80.00%		80.00%		80.00%		80.00%
Percentage of company's liability for losses under shared loss agreements	20.00%		20.00%		20.00%		20.00%
Fair Value, Measurements, Non-Recurring
Fair Value, Assets Measured on Nonrecurring Basis
Total gains (losses)	$ (7,364)		$ (1,480)		$ (10,302)		$ (6,300)
Covered OREO
Company's liability for losses under shared loss agreements	14		200		104		225
Fair Value, Measurements, Non-Recurring | Non-covered OREO
Fair Value, Assets Measured on Nonrecurring Basis
Total gains (losses)			(18)		(74)		(1,403)
Fair Value, Measurements, Non-Recurring | Covered OREO
Fair Value, Assets Measured on Nonrecurring Basis
Total gains (losses)	(69)	[1]	(1,000)	[1]	(521)	[2]	(1,126)	[2]
Fair Value, Measurements, Non-Recurring | Residential
Fair Value, Assets Measured on Nonrecurring Basis
Total gains (losses)	413		(838)		27		(1,274)
Fair Value, Measurements, Non-Recurring | Commercial real estate
Fair Value, Assets Measured on Nonrecurring Basis
Total gains (losses)	1,865		(1,320)		1,376		(3,422)
Fair Value, Measurements, Non-Recurring | Commercial and Industrial ("C&I")
Fair Value, Assets Measured on Nonrecurring Basis
Total gains (losses)	(9,642)		674		(11,705)		(1,492)
Fair Value, Measurements, Non-Recurring | Consumer
Fair Value, Assets Measured on Nonrecurring Basis
Total gains (losses)			4				(112)
Fair Value, Measurements, Non-Recurring | Fair Value Measurements
Fair Value, Assets Measured on Nonrecurring Basis
Non-covered loans	50,503		66,936		50,503		66,936
Non-covered loans	41,074		60,384		41,074		60,384
Fair Value, Measurements, Non-Recurring | Fair Value Measurements | Non-covered OREO
Fair Value, Assets Measured on Nonrecurring Basis
Non-covered OREO	676		435		676		435
Non-covered OREO	676		13,238		676		13,238
Fair Value, Measurements, Non-Recurring | Fair Value Measurements | Covered OREO
Fair Value, Assets Measured on Nonrecurring Basis
Covered OREO	4,009	[1]	7,500	[1]	4,009	[1]	7,500	[1]
Covered OREO	4,009	[2]	11,030	[2]	4,009	[2]	11,030	[2]
Fair Value, Measurements, Non-Recurring | Fair Value Measurements | Residential
Fair Value, Assets Measured on Nonrecurring Basis
Non-covered loans	17,908		22,012		17,908		22,012
Non-covered loans	9,800		19,971		9,800		19,971
Fair Value, Measurements, Non-Recurring | Fair Value Measurements | Commercial real estate
Fair Value, Assets Measured on Nonrecurring Basis
Non-covered loans	22,758		35,349		22,758		35,349
Non-covered loans	22,333		30,397		22,333		30,397
Fair Value, Measurements, Non-Recurring | Fair Value Measurements | Commercial and Industrial ("C&I")
Fair Value, Assets Measured on Nonrecurring Basis
Non-covered loans	9,837		9,203		9,837		9,203
Non-covered loans	8,941		9,723		8,941		9,723
Fair Value, Measurements, Non-Recurring | Fair Value Measurements | Consumer
Fair Value, Assets Measured on Nonrecurring Basis
Non-covered loans			372				372
Non-covered loans			293				293
Fair Value, Measurements, Non-Recurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets Measured on Nonrecurring Basis
Non-covered loans	50,503		66,936		50,503		66,936
Non-covered loans	41,074		60,384		41,074		60,384
Fair Value, Measurements, Non-Recurring | Significant Unobservable Inputs (Level 3) | Non-covered OREO
Fair Value, Assets Measured on Nonrecurring Basis
Non-covered OREO	676		435		676		435
Non-covered OREO	676		13,238		676		13,238
Fair Value, Measurements, Non-Recurring | Significant Unobservable Inputs (Level 3) | Covered OREO
Fair Value, Assets Measured on Nonrecurring Basis
Covered OREO	4,009	[1]	7,500	[1]	4,009	[1]	7,500	[1]
Covered OREO	4,009	[2]	11,030	[2]	4,009	[2]	11,030	[2]
Fair Value, Measurements, Non-Recurring | Significant Unobservable Inputs (Level 3) | Residential
Fair Value, Assets Measured on Nonrecurring Basis
Non-covered loans	17,908		22,012		17,908		22,012
Non-covered loans	9,800		19,971		9,800		19,971
Fair Value, Measurements, Non-Recurring | Significant Unobservable Inputs (Level 3) | Commercial real estate
Fair Value, Assets Measured on Nonrecurring Basis
Non-covered loans	22,758		35,349		22,758		35,349
Non-covered loans	22,333		30,397		22,333		30,397
Fair Value, Measurements, Non-Recurring | Significant Unobservable Inputs (Level 3) | Commercial and Industrial ("C&I")
Fair Value, Assets Measured on Nonrecurring Basis
Non-covered loans	9,837		9,203		9,837		9,203
Non-covered loans	8,941		9,723		8,941		9,723
Fair Value, Measurements, Non-Recurring | Significant Unobservable Inputs (Level 3) | Consumer
Fair Value, Assets Measured on Nonrecurring Basis
Non-covered loans			372				372
Non-covered loans			$ 293				$ 293

[1] Covered OREO results from the WFIB and UCB FDIC-assisted acquisitions for which the Company entered into shared-loss agreements with the FDIC whereby the FDIC will reimburse the Company for 80% of eligible losses. As such, the Company?s liability for losses is 20% of the $69 thousand in losses, or $14 thousand, and 20% of the $1.0 million in losses, or $200 thousand, for the three months ended June 30, 2014 and 2013, respectively.

[2] Covered OREO results from the WFIB and UCB FDIC-assisted acquisitions for which the Company entered into shared-loss agreements with the FDIC whereby the FDIC will reimburse the Company for 80% of eligible losses. As such, the Company?s liability for losses is 20% of the $521 thousand in losses, or $104 thousand, and 20% of the $1.1 million in losses, or $225 thousand, for the six months ended June 30, 2014 and 2013, respectively.