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		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, opening	$ 50,818	$ 52,757	$ 51,445	$ 53,400
Provision for loan losses	0	500	0	(1,299)
Loans charged-off	(369)	(1,851)	(1,575)	(3,584)
Recoveries	186	411	765	702
Net loans charged-off	(183)	(1,440)	(810)	(2,882)
Balance, closing	50,635	51,817	50,635	51,817
Ending allowance balance attributable to loans:
Individually evaluated for impairment	11,085	16,228	11,085	16,228	14,805
Collectively evaluated for impairment	39,550		39,550		36,640
Total ending allowance balance	50,635	51,817	50,635	51,817
Loans:
Loans individually evaluated for impairment	46,913		46,913		58,942
Loans collectively evaluated for impairment	2,287,787		2,287,787		2,198,578
Total ending loan balance	2,334,700		2,334,700		2,257,520
Commercial and Industrial Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, opening	22,113	22,134	22,342	22,830
Provision for loan losses	(348)	(1,048)	(707)	(1,152)
Loans charged-off	(10)	(1,676)	(143)	(2,454)
Recoveries	124	286	387	472
Net loans charged-off	114	(1,390)	244	(1,982)
Balance, closing	21,879	19,696	21,879	19,696
Ending allowance balance attributable to loans:
Individually evaluated for impairment	4,469		4,469		5,542
Collectively evaluated for impairment	17,410		17,410		16,800
Total ending allowance balance	21,879	19,696	21,879	19,696
Loans:
Loans individually evaluated for impairment	16,882		16,882		18,281
Loans collectively evaluated for impairment	871,458		871,458		828,728
Total ending loan balance	888,340		888,340		847,009
Commercial Real Estate and Multi-Family Residential Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, opening	20,420	23,236	20,812	23,489
Provision for loan losses	(336)	829	(83)	1,394
Loans charged-off	0	0	(906)	(847)
Recoveries	14	18	275	47
Net loans charged-off	14	18	(631)	(800)
Balance, closing	20,098	24,083	20,098	24,083
Ending allowance balance attributable to loans:
Individually evaluated for impairment	6,103		6,103		8,559
Collectively evaluated for impairment	13,995		13,995		12,253
Total ending allowance balance	20,098	24,083	20,098	24,083
Loans:
Loans individually evaluated for impairment	26,540		26,540		36,919
Loans collectively evaluated for impairment	857,114		857,114		763,279
Total ending loan balance	883,654		883,654		800,198
Agri-business and Agricultural Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, opening	1,263	538	1,403	695
Provision for loan losses	452	881	310	724
Loans charged-off	(200)	0	(200)	0
Recoveries	2	0	4	0
Net loans charged-off	(198)	0	(196)	0
Balance, closing	1,517	1,419	1,517	1,419
Ending allowance balance attributable to loans:
Individually evaluated for impairment	40		40		63
Collectively evaluated for impairment	1,477		1,477		1,340
Total ending allowance balance	1,517	1,419	1,517	1,419
Loans:
Loans individually evaluated for impairment	757		757		797
Loans collectively evaluated for impairment	197,643		197,643		224,008
Total ending loan balance	198,400		198,400		224,805
Other Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, opening	223	186	240	65
Provision for loan losses	41	(12)	24	107
Loans charged-off	0	0	0	0
Recoveries	0	2	0	4
Net loans charged-off	0	2	0	4
Balance, closing	264	176	264	176
Ending allowance balance attributable to loans:
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	264		264		240
Total ending allowance balance	264	176	264	176
Loans:
Loans individually evaluated for impairment	0		0		0
Loans collectively evaluated for impairment	46,499		46,499		56,810
Total ending loan balance	46,499		46,499		56,810
Consumer 1-4 Family Mortgage Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, opening	2,866	2,527	2,682	2,322
Provision for loan losses	30	(110)	300	61
Loans charged-off	(81)	(78)	(189)	(92)
Recoveries	8	73	30	121
Net loans charged-off	(73)	(5)	(159)	29
Balance, closing	2,823	2,412	2,823	2,412
Ending allowance balance attributable to loans:
Individually evaluated for impairment	445		445		607
Collectively evaluated for impairment	2,378		2,378		2,075
Total ending allowance balance	2,823	2,412	2,823	2,412
Loans:
Loans individually evaluated for impairment	2,654		2,654		2,853
Loans collectively evaluated for impairment	271,730		271,730		280,141
Total ending loan balance	274,384		274,384		282,994
Other Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, opening	558	523	609	645
Provision for loan losses	69	65	46	11
Loans charged-off	(78)	(97)	(137)	(191)
Recoveries	38	32	69	58
Net loans charged-off	(40)	(65)	(68)	(133)
Balance, closing	587	523	587	523
Ending allowance balance attributable to loans:
Individually evaluated for impairment	28		28		34
Collectively evaluated for impairment	559		559		575
Total ending allowance balance	587	523	587	523
Loans:
Loans individually evaluated for impairment	80		80		92
Loans collectively evaluated for impairment	43,343		43,343		45,612
Total ending loan balance	43,423		43,423		45,704
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, opening	3,375	3,613	3,357	3,354
Provision for loan losses	92	(105)	110	154
Loans charged-off	0	0	0	0
Recoveries	0	0	0	0
Net loans charged-off	0	0	0	0
Balance, closing	3,467	3,508	3,467	3,508
Ending allowance balance attributable to loans:
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	3,467		3,467		3,357
Total ending allowance balance	3,467	3,508	3,467	3,508
Loans:
Loans individually evaluated for impairment	0		0		0
Loans collectively evaluated for impairment	0		0		0
Total ending loan balance	$ 0		$ 0		$ 0