FAIR VALUE (Details 2) (USD $)	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011
Non-covered impaired loans
Non-covered OREO					$ 43,200,000
Covered OREO					35,600,000
FDIC percentage of reimbursement under shared loss agreements	80.00%				80.00%
Percentage of company's liability for losses under shared loss agreements	20.00%		20.00%		20.00%		20.00%
Company's liability for losses under shared loss agreements	248,000		1,800,000		1,500,000		3,100,000
Total eligible losses subject to shared loss agreements	1,200,000		9,100,000		7,700,000		15,400,000
Fair Value, Measurements, Nonrecurring | Fair Value Measurements
Non-covered impaired loans
Total residential	14,824,000		3,898,000		18,466,000		5,540,000
Total commercial real estate	16,517,000		28,936,000		26,789,000		33,480,000
Total commercial and industrial	15,616,000		6,795,000		16,097,000		3,968,000
Total consumer	372,000				379,000		272,000
Total non-covered impaired loans	47,329,000		39,629,000		61,731,000		43,260,000
Non-covered OREO	4,625,000		7,034,000		8,674,000		13,656,000
Covered OREO	6,544,000	[1]	46,333,000	[1]	17,712,000	[2]	93,097,000	[2]
Loans Held for Sale							11,493,000
Fair Value, Measurements, Nonrecurring | Significant Other Observable Inputs (Level 2)
Non-covered impaired loans
Total residential	14,824,000		3,898,000		18,466,000		5,540,000
Total commercial real estate	16,517,000		28,936,000		26,789,000		33,480,000
Total consumer	372,000				379,000		272,000
Total non-covered impaired loans	31,713,000		32,834,000		45,634,000		39,292,000
Non-covered OREO	4,625,000		7,034,000		8,674,000		13,656,000
Covered OREO	6,544,000	[1]	46,333,000	[1]	17,712,000	[2]	93,097,000	[2]
Loans Held for Sale							11,493,000
Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3)
Non-covered impaired loans
Total commercial and industrial	15,616,000		6,795,000		16,097,000		3,968,000
Total non-covered impaired loans	15,616,000		6,795,000		16,097,000		3,968,000
Fair Value, Measurements, Nonrecurring | Total Gains (Losses)
Non-covered impaired loans
Total residential	(2,240,000)		(715,000)		(2,789,000)		(1,502,000)
Total commercial real estate	(4,315,000)		(16,933,000)		(4,316,000)		(20,708,000)
Total commercial and industrial	(9,705,000)		2,487,000		(10,281,000)		(4,562,000)
Total consumer	(264,000)				(321,000)		(178,000)
Total non-covered impaired loans	(16,524,000)		(15,161,000)		(17,707,000)		(26,950,000)
Non-covered OREO	(1,820,000)		(460,000)		(2,675,000)		(1,512,000)
Covered OREO	(1,241,000)	[1]	(9,148,000)	[1]	(7,689,000)	[2]	(15,403,000)	[2]
Loans Held for Sale					$ (4,730,000)		$ (4,722,000)

[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 $1.2 million in losses, or $248 thousand, and 20% of the $9.1 million in losses, or $1.8 million, for the three months ended June 30, 2012 and 2011, 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 $7.7 million in losses, or $1.5 million, and 20% of the $15.4 million in losses, or $3.1 million, for the six months ended June 30, 2012 and 2011, respectively.