ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY (Aging Of The Recorded Investment In Past Due Loans) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	$ 3,267	$ 4,257
Greater than 90 Days Past Due	23,197	30,875
Total Past Due	26,464	35,132
Loans Not Past Due	2,366,251	2,222,388
Total	2,392,715	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	55,792	56,810
Total	55,792	56,810
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total	898,319	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	596	233
Greater than 90 Days Past Due	1,765	1,899
Total Past Due	2,361	2,132
Loans Not Past Due	459,989	437,705
Total	462,350	439,837
Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	872	48
Greater than 90 Days Past Due	3,895	4,862
Total Past Due	4,767	4,910
Loans Not Past Due	431,202	402,262
Total	435,969	407,172
Commercial Real Estate and Multi-Family Residential Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total	917,762	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	0	398
Total Past Due	0	1,396
Loans Not Past Due	117,323	80,954
Total	117,323	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	45	1,023
Greater than 90 Days Past Due	2,646	2,461
Total Past Due	2,691	3,484
Loans Not Past Due	368,521	354,921
Total	371,212	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	0	38
Greater than 90 Days Past Due	11,633	19,200
Total Past Due	11,633	19,238
Loans Not Past Due	380,360	295,243
Total	391,993	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	37,234	44,676
Total	37,234	44,962
Agri-business and Agricultural Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total	200,238	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	1,147	797
Total Past Due	1,147	797
Loans Not Past Due	103,665	108,359
Total	104,812	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	90	0
Greater than 90 Days Past Due	0	0
Total Past Due	90	0
Loans Not Past Due	95,336	115,649
Total	95,426	115,649
Consumer 1-4 Family Mortgage Loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total	276,561	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	1,167	1,475
Greater than 90 Days Past Due	1,846	504
Total Past Due	3,013	1,979
Loans Not Past Due	116,516	107,583
Total	119,529	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	233	361
Greater than 90 Days Past Due	182	391
Total Past Due	415	752
Loans Not Past Due	151,921	161,172
Total	152,336	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	162	0
Greater than 90 Days Past Due	0	0
Total Past Due	162	0
Loans Not Past Due	4,534	11,508
Total	4,696	11,508
Other consumer loans [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 89 Days Past Due	102	81
Greater than 90 Days Past Due	83	77
Total Past Due	185	158
Loans Not Past Due	43,858	45,546
Total	$ 44,043	$ 45,704