ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY (Credit Quality Indicators) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Total	$ 2,673,327	$ 2,535,098
Other Commerical Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	72,095	70,766
Other Consumer Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	43,847	46,077
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	1,036,180	901,847
Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	509,930	457,955
Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	526,250	443,892
Commercial Real Estate and Multi-family Residential Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	1,016,728	984,877
Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	166,195	157,138
Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	385,426	370,111
Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	406,228	394,236
Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	58,879	63,392
Agri-business and Agricultural Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	212,774	254,125
Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	122,523	133,460
Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	90,251	120,665
Consumer 1-4 Family Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	291,703	277,406
Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	138,506	125,180
Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	146,096	147,595
Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	7,101	4,631
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	2,248,805	2,099,984
Pass [Member] | Other Commerical Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	72,091	70,766
Pass [Member] | Other Consumer Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	9,191	10,722
Pass [Member] | Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	480,081	431,069
Pass [Member] | Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	474,237	384,415
Pass [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	157,694	148,338
Pass [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	350,560	333,795
Pass [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	386,519	367,108
Pass [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	58,879	63,392
Pass [Member] | Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	121,814	132,331
Pass [Member] | Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	90,251	120,665
Pass [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	38,026	29,092
Pass [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	9,462	8,291
Pass [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	86,647	88,848
Special Mention [Member] | Other Commerical Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Special Mention [Member] | Other Consumer Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	512	416
Special Mention [Member] | Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	17,243	15,212
Special Mention [Member] | Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	29,215	37,727
Special Mention [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	640	763
Special Mention [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	23,183	23,687
Special Mention [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	13,549	9,180
Special Mention [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Special Mention [Member] | Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Special Mention [Member] | Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Special Mention [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	65	0
Special Mention [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	2,240	1,863
Special Mention [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	61,696	73,667
Substandard [Member] | Other Commerical Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Substandard [Member] | Other Consumer Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	78	291
Substandard [Member] | Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	12,606	11,674
Substandard [Member] | Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	20,388	19,659
Substandard [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	7,861	8,037
Substandard [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	11,683	12,629
Substandard [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	6,160	17,948
Substandard [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Substandard [Member] | Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	694	1,113
Substandard [Member] | Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Substandard [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	2,226	2,316
Substandard [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Substandard [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Other Commerical Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Other Consumer Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	276,179	272,599
Not Rated [Member] | Other Commerical Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	4	0
Not Rated [Member] | Other Consumer Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	34,066	34,648
Not Rated [Member] | Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Not Rated [Member] | Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	2,410	2,091
Not Rated [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Not Rated [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Not Rated [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Not Rated [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Not Rated [Member] | Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	15	16
Not Rated [Member] | Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Not Rated [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	98,189	93,772
Not Rated [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	134,394	137,441
Not Rated [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	$ 7,101	$ 4,631