INVESTMENT SECURITIES (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Held to Maturity, Amortized Cost	$ 38,513	$ 38,786
Held to Maturity, Gross Unrealized Gains	1,160	1,380
Held to Maturity, Gross Unrealized Losses	(44)	(36)
Held to Maturity, Estimated Market Value	39,629	40,130
Available for Sale, Amortized Cost	414,599	391,051
Available for Sale, Gross Unrealized Gains	6,554	7,227
Available for Sale, Gross Unrealized Losses	(4,674)	(4,511)
Available For Sale, Estimated Market Value	416,479	393,767
Obligations of U.S. Government Agencies [Member]
Available for Sale, Amortized Cost	255,500	222,099
Available for Sale, Gross Unrealized Gains	3,192	3,442
Available for Sale, Gross Unrealized Losses	(261)	(90)
Available For Sale, Estimated Market Value	258,431	225,451
Mortgage Backed Securities issued by U.S. Government Agencies [Member]
Available for Sale, Amortized Cost	118,650	127,082
Available for Sale, Gross Unrealized Gains	2,401	2,826
Available for Sale, Gross Unrealized Losses	(166)	(90)
Available For Sale, Estimated Market Value	120,885	129,818
Obligations of States and Political Subdivisions [Member]
Held to Maturity, Amortized Cost	38,013	38,286
Held to Maturity, Gross Unrealized Gains	1,160	1,380
Held to Maturity, Gross Unrealized Losses	(44)	(36)
Held to Maturity, Estimated Market Value	39,129	39,630
Available for Sale, Amortized Cost	16,385	17,804
Available for Sale, Gross Unrealized Gains	586	630
Available for Sale, Gross Unrealized Losses	(20)	(64)
Available For Sale, Estimated Market Value	16,951	18,370
Trust Preferred CDO Securities [Member]
Available for Sale, Amortized Cost	9,521	9,525
Available for Sale, Gross Unrealized Gains	0	0
Available for Sale, Gross Unrealized Losses	(4,119)	(4,119)
Available For Sale, Estimated Market Value	5,402	5,406
Corporate Debt Securities [Member]
Held to Maturity, Amortized Cost	500	500
Held to Maturity, Gross Unrealized Gains	0	0
Held to Maturity, Gross Unrealized Losses	0	0
Held to Maturity, Estimated Market Value	500	500
Available for Sale, Amortized Cost	11,963	11,961
Available for Sale, Gross Unrealized Gains	218	156
Available for Sale, Gross Unrealized Losses	0	(40)
Available For Sale, Estimated Market Value	12,181	12,077
Equity Securities [Member]
Available for Sale, Amortized Cost	2,580	2,580
Available for Sale, Gross Unrealized Gains	157	173
Available for Sale, Gross Unrealized Losses	(108)	(108)
Available For Sale, Estimated Market Value	$ 2,629	$ 2,645