INVESTMENT SECURITIES (Details 2) (USD $)	3 Months Ended			6 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Carrying values and gross unrealized losses on securities by length of time the securities were in an unrealized loss position
Less Than 12 Months, Carrying Value	$ 87,663,000			$ 87,663,000		$ 71,658,000
Less Than 12 Months, Gross Unrealized Losses	(602,000)			(602,000)		(897,000)
12 months or Longer, Carrying Value	6,884,000			6,884,000		5,979,000
12 months or Longer, Gross Unrealized Losses	(424,000)			(424,000)		(1,576,000)
Total, Carrying Value	94,547,000			94,547,000		77,637,000
Total, Gross Unrealized Losses	(1,026,000)			(1,026,000)		(2,473,000)
Other-than-temporary impairment loss on covered security	1,115,000			1,115,000
FDIC loss sharing income	(102,000)	(3,579,000)	5,316,000	(3,681,000)	4,146,000
FHLB Stock
Investment in Federal Home Loan Bank stock carried at cost	41,736,000			41,736,000		46,106,000
Government and government-sponsored entity pass through securities
Carrying values and gross unrealized losses on securities by length of time the securities were in an unrealized loss position
Less Than 12 Months, Carrying Value	29,288,000			29,288,000		34,682,000
Less Than 12 Months, Gross Unrealized Losses	(89,000)			(89,000)		(64,000)
12 months or Longer, Carrying Value	23,000			23,000		22,000
12 months or Longer, Gross Unrealized Losses	(1,000)			(1,000)		(1,000)
Total, Carrying Value	29,311,000			29,311,000		34,704,000
Total, Gross Unrealized Losses	(90,000)			(90,000)		(65,000)
Government and government-sponsored entity collateralized mortgage obligations
Carrying values and gross unrealized losses on securities by length of time the securities were in an unrealized loss position
Less Than 12 Months, Carrying Value	3,883,000			3,883,000		10,790,000
Less Than 12 Months, Gross Unrealized Losses	(40,000)			(40,000)		(21,000)
12 months or Longer, Carrying Value						1,530,000
12 months or Longer, Gross Unrealized Losses						(15,000)
Total, Carrying Value	3,883,000			3,883,000		12,320,000
Total, Gross Unrealized Losses	(40,000)			(40,000)		(36,000)
Covered private label collateralized mortgage obligations
Carrying values and gross unrealized losses on securities by length of time the securities were in an unrealized loss position
Less Than 12 Months, Carrying Value	882,000			882,000		5,228,000
Less Than 12 Months, Gross Unrealized Losses	(77,000)			(77,000)		(595,000)
12 months or Longer, Carrying Value	6,861,000			6,861,000		4,427,000
12 months or Longer, Gross Unrealized Losses	(423,000)			(423,000)		(1,560,000)
Total, Carrying Value	7,743,000			7,743,000		9,655,000
Total, Gross Unrealized Losses	(500,000)			(500,000)		(2,155,000)
Number of securities impaired due to deteriorating cash flows	1			1
Other-than-temporary impairment loss on covered security	1,100,000
FDIC loss sharing income	892,000
Percentage of FDIC's share of loss	80.00%
Municipal securities
Carrying values and gross unrealized losses on securities by length of time the securities were in an unrealized loss position
Less Than 12 Months, Carrying Value	17,674,000			17,674,000		7,755,000
Less Than 12 Months, Gross Unrealized Losses	(192,000)			(192,000)		(56,000)
Total, Carrying Value	17,674,000			17,674,000		7,755,000
Total, Gross Unrealized Losses	(192,000)			(192,000)		(56,000)
Corporate debt securities
Carrying values and gross unrealized losses on securities by length of time the securities were in an unrealized loss position
Less Than 12 Months, Carrying Value	35,936,000			35,936,000		10,758,000
Less Than 12 Months, Gross Unrealized Losses	(204,000)			(204,000)		(26,000)
Total, Carrying Value	35,936,000			35,936,000		10,758,000
Total, Gross Unrealized Losses	(204,000)			(204,000)		(26,000)
Other securities
Carrying values and gross unrealized losses on securities by length of time the securities were in an unrealized loss position
Less Than 12 Months, Carrying Value						2,445,000
Less Than 12 Months, Gross Unrealized Losses						(135,000)
Total, Carrying Value						2,445,000
Total, Gross Unrealized Losses						$ (135,000)