ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY (Aging Of The Recorded Investment In Past Due Loans) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	$ 5,355	$ 4,257
Greater than 90 Days Past Due	21,643	30,875
Total Past Due	26,998	35,132
Loans Not Past Due	2,307,702	2,222,388
Total ending loan balance	2,334,700	2,257,520
Other Commerical Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	0	0
Greater than 90 Days Past Due	0	0
Total Past Due	0	0
Loans Not Past Due	46,499	56,810
Total ending loan balance	46,499	56,810
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total ending loan balance	888,340	847,009
Commercial and Industrial Loans [Member] | Working Capital Lines Of Credit Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	642	233
Greater than 90 Days Past Due	1,812	1,899
Total Past Due	2,454	2,132
Loans Not Past Due	459,931	437,705
Total ending loan balance	462,385	439,837
Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	343	48
Greater than 90 Days Past Due	3,890	4,862
Total Past Due	4,233	4,910
Loans Not Past Due	421,722	402,262
Total ending loan balance	425,955	407,172
Commercial Real Estate and Multi-Family Residential Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total ending loan balance	883,654	800,198
Commercial Real Estate and Multi-Family Residential Loans [Member] | Construction and Land Development Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	0	998
Greater than 90 Days Past Due	383	398
Total Past Due	383	1,396
Loans Not Past Due	107,907	80,954
Total ending loan balance	108,290	82,350
Commercial Real Estate and Multi-Family Residential Loans [Member] | Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	126	1,023
Greater than 90 Days Past Due	2,424	2,461
Total Past Due	2,550	3,484
Loans Not Past Due	362,287	354,921
Total ending loan balance	364,837	358,405
Commercial Real Estate and Multi-Family Residential Loans [Member] | Nonowner Occupied Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	1,406	38
Greater than 90 Days Past Due	11,718	19,200
Total Past Due	13,124	19,238
Loans Not Past Due	360,038	295,243
Total ending loan balance	373,162	314,481
Commercial Real Estate and Multi-Family Residential Loans [Member] | Multifamily Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	0	0
Greater than 90 Days Past Due	0	286
Total Past Due	0	286
Loans Not Past Due	37,365	44,676
Total ending loan balance	37,365	44,962
Agri-business and Agricultural Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total ending loan balance	198,400	224,805
Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	0	0
Greater than 90 Days Past Due	757	797
Total Past Due	757	797
Loans Not Past Due	99,818	108,359
Total ending loan balance	100,575	109,156
Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	18	0
Greater than 90 Days Past Due	0	0
Total Past Due	18	0
Loans Not Past Due	97,807	115,649
Total ending loan balance	97,825	115,649
Consumer 1-4 Family Mortgage Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total ending loan balance	274,384	282,994
Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	2,399	1,475
Greater than 90 Days Past Due	560	504
Total Past Due	2,959	1,979
Loans Not Past Due	113,031	107,583
Total ending loan balance	115,990	109,562
Consumer 1-4 Family Mortgage Loans [Member] | Open End and Junior Lien Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	248	361
Greater than 90 Days Past Due	34	391
Total Past Due	282	752
Loans Not Past Due	152,859	161,172
Total ending loan balance	153,141	161,924
Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	8	0
Greater than 90 Days Past Due	0	0
Total Past Due	8	0
Loans Not Past Due	5,245	11,508
Total ending loan balance	5,253	11,508
Other consumer loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	165	81
Greater than 90 Days Past Due	65	77
Total Past Due	230	158
Loans Not Past Due	43,193	45,546
Total ending loan balance	$ 43,423	$ 45,704