SECURITIES (Details 3) (USD $)	3 Months Ended
	Mar. 31, 2013 item	Mar. 31, 2012	Dec. 31, 2012
Available for sale:
Less than 12 months, Fair Value	$ 175,590,000		$ 177,730,000
Less than 12 months, Unrealized losses	1,142,000		1,449,000
Greater than 12 months, Fair Value	7,007,000		226,000
Greater than 12 months, Unrealized losses	84,000
Held to maturity:
Less than 12 months, Fair Value	59,979,000		70,502,000
Less than 12 months, Unrealized losses	513,000		435,000
Greater than 12 months, Fair Value	10,784,000		17,669,000
Greater than 12 months, Unrealized losses	216,000		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	46,553,000	3,344,000
Net gains realized on sale of securities available for sale	300,000	300,000
Proceeds from calls of securities	31,700,000	42,300,000
Fair value of securities pledged to secure public deposits and FHLB and FRB overnight borrowings	332,900,000		333,000,000
Amount owned in FHLB, ACBB and FRB stock	3,037,000		2,978,000
U.S. GSE securities
Available for sale:
Less than 12 months, Fair Value	85,313,000		79,692,000
Less than 12 months, Unrealized losses	381,000		346,000
State and municipal obligations
Available for sale:
Less than 12 months, Fair Value	8,717,000		13,878,000
Less than 12 months, Unrealized losses	15,000		36,000
Greater than 12 months, Fair Value	1,817,000		226,000
Greater than 12 months, Unrealized losses	5,000
Held to maturity:
Less than 12 months, Fair Value	17,239,000		28,939,000
Less than 12 months, Unrealized losses	11,000		31,000
U.S. GSE residential mortgage-backed securities
Available for sale:
Less than 12 months, Fair Value	3,259,000		90,000
Less than 12 months, Unrealized losses	7,000
Held to maturity:
Less than 12 months, Fair Value	9,022,000
Less than 12 months, Unrealized losses	33,000
U.S. GSE residential collateralized mortgage obligations
Available for sale:
Less than 12 months, Fair Value	67,922,000		65,961,000
Less than 12 months, Unrealized losses	514,000		542,000
Greater than 12 months, Fair Value	5,190,000
Greater than 12 months, Unrealized losses	79,000
Held to maturity:
Less than 12 months, Fair Value	33,718,000		41,563,000
Less than 12 months, Unrealized losses	469,000		404,000
U.S. GSE commercial mortgage-backed securities
Available for sale:
Less than 12 months, Fair Value	3,111,000
Less than 12 months, Unrealized losses	7,000
Non Agency commercial mortgage-backed securities
Available for sale:
Less than 12 months, Fair Value	4,358,000
Less than 12 months, Unrealized losses	132,000
Other Asset backed securities
Available for sale:
Less than 12 months, Fair Value	2,910,000		18,109,000
Less than 12 months, Unrealized losses	86,000		525,000
Corporate bonds
Held to maturity:
Greater than 12 months, Fair Value	10,784,000		17,669,000
Greater than 12 months, Unrealized losses	$ 216,000		$ 331,000