SECURITIES (Details 3) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 item	Jun. 30, 2012	Dec. 31, 2012
Available for sale:
Less than 12 months, Fair Value	$ 391,306,000		$ 391,306,000		$ 177,730,000
Less than 12 months, Unrealized losses	13,048,000		13,048,000		1,449,000
Greater than 12 months, Fair Value	10,568,000		10,568,000		226,000
Greater than 12 months, Unrealized losses	262,000		262,000
Held to maturity:
Less than 12 months, Fair Value	85,114,000		85,114,000		70,502,000
Less than 12 months, Unrealized losses	2,976,000		2,976,000		435,000
Greater than 12 months, Fair Value	3,986,000		3,986,000		17,669,000
Greater than 12 months, Unrealized losses	14,000		14,000		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	28,600,000	60,500,000	75,165,000	63,807,000
Gross gains realized on sale of securities available for sale	300,000	1,700,000	600,000	2,000,000
Proceeds from calls of securities	15,000,000	62,900,000	46,700,000	108,500,000
Fair value of securities pledged to secure public deposits and FHLB and FRB overnight borrowings	314,000,000		314,000,000		333,000,000
Amount owned in FHLB, ACBB and FRB stock	5,999,000		5,999,000		2,978,000
U.S. GSE securities
Available for sale:
Less than 12 months, Fair Value	158,365,000		158,365,000		79,692,000
Less than 12 months, Unrealized losses	7,350,000		7,350,000		346,000
Held to maturity:
Less than 12 months, Fair Value	7,285,000		7,285,000
Less than 12 months, Unrealized losses	154,000		154,000
State and municipal obligations
Available for sale:
Less than 12 months, Fair Value	27,482,000		27,482,000		13,878,000
Less than 12 months, Unrealized losses	672,000		672,000		36,000
Greater than 12 months, Fair Value	2,551,000		2,551,000		226,000
Greater than 12 months, Unrealized losses	48,000		48,000
Held to maturity:
Less than 12 months, Fair Value	11,499,000		11,499,000		28,939,000
Less than 12 months, Unrealized losses	131,000		131,000		31,000
U.S. GSE residential mortgage-backed securities
Available for sale:
Less than 12 months, Fair Value	6,224,000		6,224,000		90,000
Less than 12 months, Unrealized losses	142,000		142,000
Held to maturity:
Less than 12 months, Fair Value	8,366,000		8,366,000
Less than 12 months, Unrealized losses	266,000		266,000
U.S. GSE residential collateralized mortgage obligations
Available for sale:
Less than 12 months, Fair Value	177,309,000		177,309,000		65,961,000
Less than 12 months, Unrealized losses	3,761,000		3,761,000		542,000
Greater than 12 months, Fair Value	5,144,000		5,144,000
Greater than 12 months, Unrealized losses	90,000		90,000
Held to maturity:
Less than 12 months, Fair Value	43,156,000		43,156,000		41,563,000
Less than 12 months, Unrealized losses	1,904,000		1,904,000		404,000
U.S. GSE commercial mortgage-backed securities
Available for sale:
Less than 12 months, Fair Value	3,006,000		3,006,000
Less than 12 months, Unrealized losses	99,000		99,000
Held to maturity:
Less than 12 months, Fair Value	4,174,000		4,174,000
Less than 12 months, Unrealized losses	193,000		193,000
Non Agency commercial mortgage-backed securities
Available for sale:
Less than 12 months, Fair Value	4,259,000		4,259,000
Less than 12 months, Unrealized losses	143,000		143,000
Other Asset backed securities
Available for sale:
Less than 12 months, Fair Value	14,661,000		14,661,000		18,109,000
Less than 12 months, Unrealized losses	881,000		881,000		525,000
Greater than 12 months, Fair Value	2,873,000		2,873,000
Greater than 12 months, Unrealized losses	124,000		124,000
U.S. GSE commercial collateralized mortgage obligations
Held to maturity:
Less than 12 months, Fair Value	8,648,000		8,648,000
Less than 12 months, Unrealized losses	314,000		314,000
Corporate bonds
Held to maturity:
Less than 12 months, Fair Value	1,986,000		1,986,000
Less than 12 months, Unrealized losses	14,000		14,000
Greater than 12 months, Fair Value	3,986,000		3,986,000		17,669,000
Greater than 12 months, Unrealized losses	$ 14,000		$ 14,000		$ 331,000