ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY (Credit Quality Indicators) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	$ 2,772,213	$ 2,762,320
Other Commerical Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	82,473	75,714
Other Consumer loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	48,657	49,467
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	1,079,122	1,035,599
Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	574,237	544,245
Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	504,885	491,354
Commercial Real Estate and Multi-family Residential Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	1,040,954	1,024,863
Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	150,748	156,237
Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	396,559	402,877
Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	399,449	394,054
Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	94,198	71,695
Agri-business and Agricultural Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	216,322	273,874
Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	119,934	137,408
Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	96,388	136,466
Consumer 1-4 Family Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	304,685	302,803
Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	145,013	144,884
Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	151,023	151,193
Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction and Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	8,649	6,726
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	2,319,953	2,321,404
Pass [Member] | Other Commerical Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	82,467	75,680
Pass [Member] | Other Consumer loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	15,909	15,879
Pass [Member] | Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	533,886	504,806
Pass [Member] | Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	446,441	436,735
Pass [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	144,000	150,442
Pass [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	360,287	369,520
Pass [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	381,345	375,702
Pass [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	94,198	71,695
Pass [Member] | Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	119,453	136,923
Pass [Member] | Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	96,388	136,466
Pass [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	38,447	39,156
Pass [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	7,132	8,400
Pass [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction and Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	114,662	95,352
Special Mention [Member] | Other Commerical Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Special Mention [Member] | Other Consumer loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	290	290
Special Mention [Member] | Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	32,339	28,485
Special Mention [Member] | Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	42,401	31,781
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 ending loans balance	1,939	1,033
Special Mention [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	25,046	20,960
Special Mention [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	12,406	12,512
Special Mention [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Special Mention [Member] | Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Special Mention [Member] | Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	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 ending loans balance	0	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 ending loans balance	241	291
Special Mention [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction and Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	47,801	58,470
Substandard [Member] | Other Commerical Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	30
Substandard [Member] | Other Consumer loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	73	75
Substandard [Member] | Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	8,012	10,343
Substandard [Member] | Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	13,376	20,324
Substandard [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	4,809	4,762
Substandard [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	11,226	12,397
Substandard [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	5,698	5,840
Substandard [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Substandard [Member] | Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	481	485
Substandard [Member] | Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Substandard [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	2,112	2,199
Substandard [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	2,014	2,015
Substandard [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction and Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	611
Doubtful [Member] | Other Commerical Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Doubtful [Member] | Other Consumer loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Doubtful [Member] | Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	611
Doubtful [Member] | Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	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 ending loans balance	0	0
Doubtful [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Doubtful [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Doubtful [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Doubtful [Member] | Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Doubtful [Member] | Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Doubtful [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	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 ending loans balance	0	0
Doubtful [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction and Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	289,797	286,483
Not Rated [Member] | Other Commerical Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	6	4
Not Rated [Member] | Other Consumer loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	32,385	33,223
Not Rated [Member] | Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Not Rated [Member] | Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	2,667	2,514
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 ending loans balance	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 ending loans balance	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 ending loans balance	0	0
Not Rated [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Not Rated [Member] | Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	0	0
Not Rated [Member] | Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	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 ending loans balance	104,454	103,529
Not Rated [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Open End And Junior Lien Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	141,636	140,487
Not Rated [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction and Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance	$ 8,649	$ 6,726