SECURITIES (Details 3) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 item	Sep. 30, 2013	Dec. 31, 2013
Available for sale:
Less than 12 months, Fair Value	$ 249,521,000		$ 249,521,000		$ 413,526,000
Less than 12 months, Unrealized losses			1,481,000		18,096,000
Greater than 12 months, Fair Value	231,196,000		231,196,000		40,595,000
Greater than 12 months, Unrealized losses			7,787,000		3,240,000
Held to maturity:
Less than 12 months, Fair Value	36,952,000		36,952,000		96,907,000
Less than 12 months, Unrealized losses			345,000		4,103,000
Greater than 12 months, Fair Value	129,806,000		129,806,000		19,136,000
Greater than 12 months, Unrealized losses			2,413,000		1,489,000
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	115,300,000	54,300,000	350,010,000	129,431,000
Net losses realized on sale of securities available for sale			1,100,000
Net gains (losses) realized on sale of securities available for sale	9,000	11,000		700,000
Proceeds from calls of securities	300,000	1,100,000	2,800,000	47,800,000
Fair value of securities pledged to secure public deposits and FHLB and FRB overnight borrowings	378,700,000		378,700,000		397,500,000
Amount owned in FHLB, ACBB and FRB stock	10,600,000		10,600,000		7,034,000
U.S. GSE securities
Available for sale:
Less than 12 months, Fair Value					128,468,000
Less than 12 months, Unrealized losses					8,915,000
Greater than 12 months, Fair Value	100,509,000		100,509,000		23,966,000
Greater than 12 months, Unrealized losses			3,522,000		2,621,000
Held to maturity:
Less than 12 months, Fair Value					10,879,000
Less than 12 months, Unrealized losses					375,000
Greater than 12 months, Fair Value	78,384,000		78,384,000
Greater than 12 months, Unrealized losses			69,000
State and municipal obligations
Available for sale:
Less than 12 months, Fair Value	12,118,000		12,118,000		23,765,000
Less than 12 months, Unrealized losses			60,000		1,046,000
Greater than 12 months, Fair Value	12,752,000		12,752,000		966,000
Greater than 12 months, Unrealized losses			208,000		41,000
Held to maturity:
Less than 12 months, Fair Value	7,761,000		7,761,000		24,079,000
Less than 12 months, Unrealized losses			86,000		178,000
Greater than 12 months, Fair Value					385,000
Greater than 12 months, Unrealized losses					1,000
U.S. GSE residential mortgage-backed securities
Available for sale:
Less than 12 months, Fair Value	86,937,000		86,937,000		10,410,000
Less than 12 months, Unrealized losses			285,000		210,000
Greater than 12 months, Fair Value	1,539,000		1,539,000
Greater than 12 months, Unrealized losses			64,000
Held to maturity:
Less than 12 months, Fair Value					7,689,000
Less than 12 months, Unrealized losses					312,000
Greater than 12 months, Fair Value	6,917,000		6,917,000
Greater than 12 months, Unrealized losses			173,000
U.S. GSE residential collateralized mortgage obligations
Available for sale:
Less than 12 months, Fair Value	122,023,000		122,023,000		218,415,000
Less than 12 months, Unrealized losses			879,000		6,476,000
Greater than 12 months, Fair Value	113,484,000		113,484,000		12,757,000
Greater than 12 months, Unrealized losses			3,873,000		487,000
Held to maturity:
Less than 12 months, Fair Value	8,914,000		8,914,000		29,570,000
Less than 12 months, Unrealized losses			86,000		2,169,000
Greater than 12 months, Fair Value	31,892,000		31,892,000		17,752,000
Greater than 12 months, Unrealized losses			1,577,000		1,486,000
U.S. GSE commercial mortgage-backed securities
Available for sale:
Less than 12 months, Fair Value					2,834,000
Less than 12 months, Unrealized losses					242,000
Greater than 12 months, Fair Value	2,912,000		2,912,000
Greater than 12 months, Unrealized losses			120,000
Held to maturity:
Less than 12 months, Fair Value					9,776,000
Less than 12 months, Unrealized losses					356,000
Greater than 12 months, Fair Value	4,152,000		4,152,000
Greater than 12 months, Unrealized losses			88,000
U.S. GSE commercial collateralized mortgage obligations
Available for sale:
Less than 12 months, Fair Value	18,549,000		18,549,000		4,912,000
Less than 12 months, Unrealized losses			151,000		24,000
Held to maturity:
Less than 12 months, Fair Value	14,290,000		14,290,000		12,921,000
Less than 12 months, Unrealized losses			160,000		706,000
Greater than 12 months, Fair Value	8,461,000		8,461,000
Greater than 12 months, Unrealized losses			506,000
Non Agency commercial mortgage-backed securities
Available for sale:
Less than 12 months, Fair Value					3,578,000
Less than 12 months, Unrealized losses					80,000
Other Asset backed securities
Available for sale:
Less than 12 months, Fair Value					21,144,000
Less than 12 months, Unrealized losses					1,103,000
Greater than 12 months, Fair Value					2,906,000
Greater than 12 months, Unrealized losses					91,000
Corporate bonds
Available for sale:
Less than 12 months, Fair Value	9,894,000		9,894,000
Less than 12 months, Unrealized losses			106,000
Held to maturity:
Less than 12 months, Fair Value	5,987,000		5,987,000		1,993,000
Less than 12 months, Unrealized losses			13,000		7,000
Greater than 12 months, Fair Value					999,000
Greater than 12 months, Unrealized losses					$ 2,000