ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY (Balance In The Allowance For Loan Losses And The Recorded Investment In Loans By Portfolio Management) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, opening	$ 50,635	$ 51,817	$ 51,445	$ 53,400
Provision for loan losses	0	0	0	1,299
Loans charged-off	(1,296)	(483)	(2,871)	(4,067)
Recoveries	465	578	1,230	1,280
Net loans charged-off	(831)	95	(1,641)	(2,787)
Balance, closing	49,804	51,912	49,804	51,912
Ending allowance balance attributable to loans:
Individually evaluated for impairment	10,543	15,984	10,543	15,984	14,805
Collectively evaluated for impairment	39,261		39,261		36,640
Total ending allowance balance	49,804	51,912	49,804	51,912
Loans:
Loans individually evaluated for impairment	47,358		47,358		58,942
Loans collectively evaluated for impairment	2,345,357		2,345,357		2,198,578
Total ending loan balance	2,392,715		2,392,715		2,257,520
Commercial and Industrial Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, opening	21,879	19,696	22,342	22,830
Provision for loan losses	138	1,532	(569)	380
Loans charged-off	(595)	(98)	(738)	(2,552)
Recoveries	75	224	462	696
Net loans charged-off	(520)	126	(276)	(1,856)
Balance, closing	21,497	21,354	21,497	21,354
Ending allowance balance attributable to loans:
Individually evaluated for impairment	4,345		4,345		5,542
Collectively evaluated for impairment	17,152		17,152		16,800
Total ending allowance balance	21,497	21,354	21,497	21,354
Loans:
Loans individually evaluated for impairment	16,493		16,493		18,281
Loans collectively evaluated for impairment	881,826		881,826		828,728
Total ending loan balance	898,319		898,319		847,009
Commercial Real Estate and Multi-Family Residential Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, opening	20,098	24,083	20,812	23,489
Provision for loan losses	(544)	(1,236)	(627)	158
Loans charged-off	(455)	(112)	(1,361)	(959)
Recoveries	73	120	348	167
Net loans charged-off	(382)	8	(1,013)	(792)
Balance, closing	19,172	22,855	19,172	22,855
Ending allowance balance attributable to loans:
Individually evaluated for impairment	5,731		5,731		8,559
Collectively evaluated for impairment	13,441		13,441		12,253
Total ending allowance balance	19,172	22,855	19,172	22,855
Loans:
Loans individually evaluated for impairment	26,127		26,127		36,919
Loans collectively evaluated for impairment	891,635		891,635		763,279
Total ending loan balance	917,762		917,762		800,198
Agri-business and Agricultural Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, opening	1,517	1,419	1,403	695
Provision for loan losses	(185)	(76)	125	648
Loans charged-off	0	0	(200)	0
Recoveries	201	1	205	1
Net loans charged-off	201	1	5	1
Balance, closing	1,533	1,344	1,533	1,344
Ending allowance balance attributable to loans:
Individually evaluated for impairment	45		45		63
Collectively evaluated for impairment	1,488		1,488		1,340
Total ending allowance balance	1,533	1,344	1,533	1,344
Loans:
Loans individually evaluated for impairment	1,147		1,147		797
Loans collectively evaluated for impairment	199,091		199,091		224,008
Total ending loan balance	200,238		200,238		224,805
Other Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, opening	264	176	240	65
Provision for loan losses	(23)	(207)	1	(100)
Loans charged-off	0	0	0	0
Recoveries	0	182	0	186
Net loans charged-off	0	182	0	186
Balance, closing	241	151	241	151
Ending allowance balance attributable to loans:
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	241		241		240
Total ending allowance balance	241	151	241	151
Loans:
Loans individually evaluated for impairment	0		0		0
Loans collectively evaluated for impairment	55,792		55,792		56,810
Total ending loan balance	55,792		55,792		56,810
Consumer 1-4 Family Mortgage Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, opening	2,823	2,412	2,682	2,322
Provision for loan losses	409	356	709	417
Loans charged-off	(126)	(196)	(315)	(288)
Recoveries	71	21	101	142
Net loans charged-off	(55)	(175)	(214)	(146)
Balance, closing	3,177	2,593	3,177	2,593
Ending allowance balance attributable to loans:
Individually evaluated for impairment	390		390		607
Collectively evaluated for impairment	2,787		2,787		2,075
Total ending allowance balance	3,177	2,593	3,177	2,593
Loans:
Loans individually evaluated for impairment	3,494		3,494		2,853
Loans collectively evaluated for impairment	273,067		273,067		280,141
Total ending loan balance	276,561		276,561		282,994
Other Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, opening	587	523	609	645
Provision for loan losses	179	114	225	125
Loans charged-off	(120)	(77)	(257)	(268)
Recoveries	45	30	114	88
Net loans charged-off	(75)	(47)	(143)	(180)
Balance, closing	691	590	691	590
Ending allowance balance attributable to loans:
Individually evaluated for impairment	32		32		34
Collectively evaluated for impairment	659		659		575
Total ending allowance balance	691	590	691	590
Loans:
Loans individually evaluated for impairment	97		97		92
Loans collectively evaluated for impairment	43,946		43,946		45,612
Total ending loan balance	44,043		44,043		45,704
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, opening	3,467	3,508	3,357	3,354
Provision for loan losses	26	(483)	136	(329)
Loans charged-off	0	0	0	0
Recoveries	0	0	0	0
Net loans charged-off	0	0	0	0
Balance, closing	3,493	3,025	3,493	3,025
Ending allowance balance attributable to loans:
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	3,493		3,493		3,357
Total ending allowance balance	3,493	3,025	3,493	3,025
Loans:
Loans individually evaluated for impairment	0		0		0
Loans collectively evaluated for impairment	0		0		0
Total ending loan balance	$ 0		$ 0		$ 0