SECURITIES AVAILABLE FOR SALE AND HELD TO MATURITY (Details 3) (USD $)							3 Months Ended		3 Months Ended					3 Months Ended		3 Months Ended			3 Months Ended		3 Months Ended			3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Level 3	Dec. 31, 2012 Level 3	Mar. 31, 2013 Debt securities	Dec. 31, 2012 Debt securities	Mar. 31, 2013 Municipal bonds and obligations item	Dec. 31, 2012 Municipal bonds and obligations	Mar. 31, 2013 Residential mortgage-backed securities item	Mar. 31, 2013 Government guaranteed residential mortgage-backed securities	Dec. 31, 2012 Government guaranteed residential mortgage-backed securities	Mar. 31, 2013 Government-sponsored residential mortgage-backed securities	Dec. 31, 2012 Government-sponsored residential mortgage-backed securities	Mar. 31, 2013 Corporate bonds item	Dec. 31, 2012 Corporate bonds	Mar. 31, 2013 Corporate bonds Maximum	Mar. 31, 2013 Trust preferred securities item	Dec. 31, 2012 Trust preferred securities	Mar. 31, 2013 Other bonds and obligations item	Dec. 31, 2012 Other bonds and obligations	Mar. 31, 2013 Tax advantaged economic development bonds item	Dec. 31, 2012 Tax advantaged economic development bonds	Mar. 31, 2013 Trust preferred securities except Mezzanine Class B tranche Level 3	Mar. 31, 2013 Marketable equity securities item	Dec. 31, 2012 Marketable equity securities	Sep. 30, 2012 Mezzanine Class B tranche
Securities available for sale
Less Than Twelve Months, Gross Unrealized Losses	$ 605,000	$ 282,000			$ 587,000	$ 192,000	$ 222,000	$ 100,000		$ 35,000	$ 18,000	$ 255,000	$ 69,000	$ 73,000			$ 1,000	$ 1,000	$ 1,000	$ 4,000				$ 18,000	$ 90,000
Less Than Twelve Months, Fair Value	127,141,000	46,900,000			125,428,000	45,490,000	9,308,000	4,140,000		5,355,000	5,108,000	91,375,000	31,433,000	15,859,000			1,545,000	2,754,000	1,986,000	2,055,000				1,713,000	1,410,000
Over Twelve Months, Gross Unrealized Losses	2,015,000	2,306,000			1,873,000	2,033,000							10,000	1,000	108,000		1,872,000	1,915,000						142,000	273,000
Over Twelve Months, Fair Value	8,586,000	15,671,000			6,728,000	13,944,000							5,366,000	5,000,000	6,892,000		1,728,000	1,686,000						1,858,000	1,727,000
Total Gross Unrealized Losses	2,620,000	2,588,000			2,460,000	2,225,000	222,000	100,000		35,000	18,000	255,000	79,000	74,000	108,000		1,873,000	1,916,000	1,000	4,000				160,000	363,000
Total Fair Value	135,727,000	62,571,000			132,156,000	59,434,000	9,308,000	4,140,000		5,355,000	5,108,000	91,375,000	36,799,000	20,859,000	6,892,000		3,273,000	4,440,000	1,986,000	2,055,000				3,571,000	3,137,000
Securities held to maturity
Less Than Twelve Months, Gross Unrealized Losses	460,000	378,000																			460,000	378,000
Total Gross Unrealized Losses	460,000	378,000																			460,000	378,000
Total Fair Value	7,987,000	8,129,000																			7,987,000	8,129,000
Less Than Twelve Months, Fair Value	7,987,000	8,129,000																			7,987,000	8,129,000
Securities available for sale and held to maturity
Less Than Twelve Months, Gross Unrealized Losses	1,065,000	660,000
Less Than Twelve Months, Fair Value	135,128,000	55,029,000
Over Twelve Months, Gross Unrealized Losses	2,015,000	2,306,000
Over Twelve Months, Fair Value	8,586,000	15,671,000
Total Gross Unrealized Losses	3,080,000	2,966,000
Total Fair Value	143,714,000	70,700,000
Debt Securities
Number of AFS securities remains investment grade rated														5			7
Number of AFS securities graded at least one below investment grade rating																	5
Number of AFS investment securities in unrealized loss positions							12		18					5			3		1					3
Number of securities in the portfolio of AFS							140		186					8			7		10					26
Aggregate unrealized losses as a percentage of the amortized cost of the securities in unrealized loss positions							2.30%		1.00%							1.00%	36.40%		1.00%		5.50%			4.30%
Total unrealized losses	2,620,000	2,588,000			2,460,000	2,225,000	222,000	100,000		35,000	18,000	255,000	79,000	74,000	108,000		1,873,000	1,916,000	1,000	4,000				160,000	363,000	1,700,000
Fair value of investment	558,875,000	466,169,000	1,668,000	885,000	526,379,000	440,878,000	85,459,000	84,757,000		43,640,000	43,092,000	339,305,000	278,593,000	36,216,000	10,007,000		18,377,000	20,957,000	3,382,000	3,472,000			900,000	32,496,000	25,291,000	2,600,000
Amount of security issued by banking and insurance entities																	360,000,000
Protection from credit loss afforded in excess subordination above current and projected losses																	$ 51,000,000
Number of HTM investment securities in unrealized loss positions																					1
Number of securities in the portfolio of HTM																					8