ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY, Credit Quality Indicators (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Credit Quality Indicators [Abstract]
Loan amount of credit quality analysis	$ 250,000
Financing Receivable, Recorded Investment [Line Items]
Loans	2,214,400	2,233,709
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,773,684	1,771,778
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	38,863	33,276
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	112,178	131,286
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	289,675	297,369
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	789,218	751,364
Commercial Real Estate and Multi-family Residential Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	809,214	851,677
Agri-business and Agricultural Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	221,026	238,003
Consumer 1-4 Family Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	285,590	288,456
Working Capital Lines of Credit Loans [Member] | Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	413,516	373,892
Working Capital Lines of Credit Loans [Member] | Commercial and Industrial Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	395,594	352,055
Working Capital Lines of Credit Loans [Member] | Commercial and Industrial Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	6,110	5,625
Working Capital Lines of Credit Loans [Member] | Commercial and Industrial Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	11,812	16,212
Working Capital Lines of Credit Loans [Member] | Commercial and Industrial Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Working Capital Lines of Credit Loans [Member] | Commercial and Industrial Loans [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Non-working Capital Loans [Member] | Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	375,702	377,472
Non-working Capital Loans [Member] | Commercial and Industrial Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	331,602	331,881
Non-working Capital Loans [Member] | Commercial and Industrial Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	7,981	7,437
Non-working Capital Loans [Member] | Commercial and Industrial Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	34,788	36,751
Non-working Capital Loans [Member] | Commercial and Industrial Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Non-working Capital Loans [Member] | Commercial and Industrial Loans [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,331	1,403
Construction and Land Development Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	84,215	82,079
Construction and Land Development Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	66,427	64,808
Construction and Land Development Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	4,960	3,296
Construction and Land Development Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	12,828	13,976
Construction and Land Development Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Construction and Land Development Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Owner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	356,746	346,543
Owner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	325,661	318,191
Owner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	7,594	5,913
Owner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	23,441	22,400
Owner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Owner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	50	38
Nonowner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	332,753	384,681
Nonowner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	296,157	337,090
Nonowner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	10,138	8,875
Nonowner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	26,458	38,716
Nonowner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Nonowner Occupied Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Multifamily Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	35,500	38,374
Multifamily Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	34,287	37,127
Multifamily Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,213	1,247
Multifamily Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Multifamily Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Multifamily Loans [Member] | Commercial Real Estate and Multi-family Residential Loans [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Loans Secured by Farmland [Member] | Agri-business and Agricultural Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	112,451	118,247
Loans Secured by Farmland [Member] | Agri-business and Agricultural Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	111,132	116,742
Loans Secured by Farmland [Member] | Agri-business and Agricultural Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	70	70
Loans Secured by Farmland [Member] | Agri-business and Agricultural Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,230	1,415
Loans Secured by Farmland [Member] | Agri-business and Agricultural Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Loans Secured by Farmland [Member] | Agri-business and Agricultural Loans [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	19	20
Loans for Agricultural Production [Member] | Agri-business and Agricultural Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	108,575	119,756
Loans for Agricultural Production [Member] | Agri-business and Agricultural Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	108,372	119,531
Loans for Agricultural Production [Member] | Agri-business and Agricultural Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Loans for Agricultural Production [Member] | Agri-business and Agricultural Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	203	225
Loans for Agricultural Production [Member] | Agri-business and Agricultural Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Loans for Agricultural Production [Member] | Agri-business and Agricultural Loans [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Other Commerical Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	63,563	58,061
Other Commerical Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	66
Other Commerical Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	108	120
Other Commerical Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Other Commerical Loans [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	2
Other Commerical Loans [Member] | Agri-business and Agricultural Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	63,671
Closed End First Mortgage Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	104,832	106,784
Closed End First Mortgage Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	19,014	17,307
Closed End First Mortgage Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	50	53
Closed End First Mortgage Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	813	974
Closed End First Mortgage Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Closed End First Mortgage Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	84,955	88,450
Open End and Junior Lien Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	171,568	176,223
Open End and Junior Lien Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	13,527	11,569
Open End and Junior Lien Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	351	319
Open End and Junior Lien Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Open End and Junior Lien Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Open End and Junior Lien Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	157,690	164,335
Residential Construction and Land Development Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	9,190	5,449
Residential Construction and Land Development Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Residential Construction and Land Development Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Residential Construction and Land Development Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Residential Construction and Land Development Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Residential Construction and Land Development Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	9,190	5,449
Other Consumer Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	8,348	7,416
Other Consumer Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	396	375
Other Consumer Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	497	497
Other Consumer Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Other Consumer Loans [Member] | Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 36,440	$ 37,672