SECURITIES (Details 3) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 item	Sep. 30, 2012	Dec. 31, 2012
Available for sale:
Less than 12 months, Fair Value	$ 365,101,000		$ 365,101,000		$ 177,730,000
Less than 12 months, Unrealized losses	15,551,000		15,551,000		1,449,000
Greater than 12 months, Fair Value	14,212,000		14,212,000		226,000
Greater than 12 months, Unrealized losses	444,000		444,000
Held to maturity:
Less than 12 months, Fair Value	79,595,000		79,595,000		70,502,000
Less than 12 months, Unrealized losses	3,047,000		3,047,000		435,000
Greater than 12 months, Fair Value	21,514,000		21,514,000		17,669,000
Greater than 12 months, Unrealized losses	987,000		987,000		331,000
Other-Than-Temporary-Impairment
Number of general segments segregated in investment securities portfolio			2
Number of components into which the amount of impairment is split			2
Proceeds from sales of securities available for sale	54,300,000	3,300,000	129,431,000	67,077,000
Gross gains realized on sale of securities available for sale	10,000	200,000	700,000	2,200,000
Proceeds from calls of securities	1,100,000	44,500,000	47,800,000	153,000,000
Fair value of securities pledged to secure public deposits and FHLB and FRB overnight borrowings	275,200,000		275,200,000		333,000,000
Amount owned in FHLB, ACBB and FRB stock	4,424,000		4,424,000		2,978,000
U.S. GSE securities
Available for sale:
Less than 12 months, Fair Value	148,255,000		148,255,000		79,692,000
Less than 12 months, Unrealized losses	8,481,000		8,481,000		346,000
Held to maturity:
Less than 12 months, Fair Value	7,311,000		7,311,000
Less than 12 months, Unrealized losses	131,000		131,000
State and municipal obligations
Available for sale:
Less than 12 months, Fair Value	20,756,000		20,756,000		13,878,000
Less than 12 months, Unrealized losses	765,000		765,000		36,000
Greater than 12 months, Fair Value	2,422,000		2,422,000		226,000
Greater than 12 months, Unrealized losses	38,000		38,000
Held to maturity:
Less than 12 months, Fair Value	11,345,000		11,345,000		28,939,000
Less than 12 months, Unrealized losses	146,000		146,000		31,000
Greater than 12 months, Fair Value	573,000		573,000
Greater than 12 months, Unrealized losses	3,000		3,000
U.S. GSE residential mortgage-backed securities
Available for sale:
Less than 12 months, Fair Value	5,854,000		5,854,000		90,000
Less than 12 months, Unrealized losses	129,000		129,000
Held to maturity:
Less than 12 months, Fair Value	8,011,000		8,011,000
Less than 12 months, Unrealized losses	212,000		212,000
U.S. GSE residential collateralized mortgage obligations
Available for sale:
Less than 12 months, Fair Value	162,405,000		162,405,000		65,961,000
Less than 12 months, Unrealized losses	4,683,000		4,683,000		542,000
Greater than 12 months, Fair Value	8,888,000		8,888,000
Greater than 12 months, Unrealized losses	311,000		311,000
Held to maturity:
Less than 12 months, Fair Value	29,596,000		29,596,000		41,563,000
Less than 12 months, Unrealized losses	1,746,000		1,746,000		404,000
Greater than 12 months, Fair Value	16,963,000		16,963,000
Greater than 12 months, Unrealized losses	962,000		962,000
U.S. GSE commercial mortgage-backed securities
Available for sale:
Less than 12 months, Fair Value	2,982,000		2,982,000
Less than 12 months, Unrealized losses	108,000		108,000
Held to maturity:
Less than 12 months, Fair Value	9,879,000		9,879,000
Less than 12 months, Unrealized losses	302,000		302,000
Non Agency commercial mortgage-backed securities
Available for sale:
Less than 12 months, Fair Value	3,643,000		3,643,000
Less than 12 months, Unrealized losses	105,000		105,000
Other Asset backed securities
Available for sale:
Less than 12 months, Fair Value	21,206,000		21,206,000		18,109,000
Less than 12 months, Unrealized losses	1,280,000		1,280,000		525,000
Greater than 12 months, Fair Value	2,902,000		2,902,000
Greater than 12 months, Unrealized losses	95,000		95,000
U.S. GSE commercial collateralized mortgage obligations
Held to maturity:
Less than 12 months, Fair Value	8,493,000		8,493,000
Less than 12 months, Unrealized losses	470,000		470,000
Corporate bonds
Held to maturity:
Less than 12 months, Fair Value	4,960,000		4,960,000
Less than 12 months, Unrealized losses	40,000		40,000
Greater than 12 months, Fair Value	3,978,000		3,978,000		17,669,000
Greater than 12 months, Unrealized losses	$ 22,000		$ 22,000		$ 331,000