LOANS AND ALLOWANCE (Details 6) (USD $)																3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Pass	Dec. 31, 2013 Pass	Mar. 31, 2014 Special Mention	Dec. 31, 2013 Special Mention	Mar. 31, 2014 Performing	Dec. 31, 2013 Performing	Mar. 31, 2014 Non-accrual	Dec. 31, 2013 Non-accrual	Mar. 31, 2014 Watch	Dec. 31, 2013 Watch	Mar. 31, 2014 Substandard	Dec. 31, 2013 Substandard	Mar. 31, 2014 Minimum	Mar. 31, 2014 Minimum Non-accrual	Mar. 31, 2014 Minimum Watch	Mar. 31, 2014 Minimum Substandard	Mar. 31, 2014 Minimum Loss	Mar. 31, 2014 Maximum Watch	Mar. 31, 2014 Consumer loans not secured by 1-4 family residential real estate Minimum Substandard	Mar. 31, 2014 Consumer loans not secured by 1-4 family residential real estate Maximum Substandard	Mar. 31, 2014 Commercial	Dec. 31, 2013 Commercial	Mar. 31, 2014 Commercial Maximum	Mar. 31, 2014 Commercial Commercial and industrial	Dec. 31, 2013 Commercial Commercial and industrial	Mar. 31, 2014 Commercial Commercial and industrial Pass	Dec. 31, 2013 Commercial Commercial and industrial Pass	Mar. 31, 2014 Commercial Commercial and industrial Special Mention	Dec. 31, 2013 Commercial Commercial and industrial Special Mention	Mar. 31, 2014 Commercial Commercial and industrial Performing	Dec. 31, 2013 Commercial Commercial and industrial Performing	Mar. 31, 2014 Commercial Commercial and industrial Non-accrual	Dec. 31, 2013 Commercial Commercial and industrial Non-accrual	Mar. 31, 2014 Commercial Commercial and industrial Watch	Dec. 31, 2013 Commercial Commercial and industrial Watch	Mar. 31, 2014 Commercial Commercial and industrial Substandard	Dec. 31, 2013 Commercial Commercial and industrial Substandard	Mar. 31, 2014 Commercial Agricultural	Dec. 31, 2013 Commercial Agricultural	Mar. 31, 2014 Commercial Agricultural Pass	Dec. 31, 2013 Commercial Agricultural Pass	Dec. 31, 2013 Commercial Agricultural Performing	Mar. 31, 2014 Commercial Real Estate	Dec. 31, 2013 Commercial Real Estate	Mar. 31, 2014 Commercial Real Estate Maximum	Mar. 31, 2014 Commercial Real Estate Farm	Dec. 31, 2013 Commercial Real Estate Farm	Mar. 31, 2014 Commercial Real Estate Farm Pass	Dec. 31, 2013 Commercial Real Estate Farm Pass	Mar. 31, 2014 Commercial Real Estate Farm Special Mention	Dec. 31, 2013 Commercial Real Estate Farm Special Mention	Mar. 31, 2014 Commercial Real Estate Farm Performing	Dec. 31, 2013 Commercial Real Estate Farm Performing	Mar. 31, 2014 Commercial Real Estate Farm Non-accrual	Dec. 31, 2013 Commercial Real Estate Farm Non-accrual	Mar. 31, 2014 Commercial Real Estate Hotel	Dec. 31, 2013 Commercial Real Estate Hotel	Mar. 31, 2014 Commercial Real Estate Hotel Pass	Dec. 31, 2013 Commercial Real Estate Hotel Pass	Mar. 31, 2014 Commercial Real Estate Hotel Special Mention	Dec. 31, 2013 Commercial Real Estate Hotel Special Mention	Mar. 31, 2014 Commercial Real Estate Hotel Substandard	Dec. 31, 2013 Commercial Real Estate Hotel Substandard	Mar. 31, 2014 Commercial Real Estate Construction and development	Dec. 31, 2013 Commercial Real Estate Construction and development	Mar. 31, 2014 Commercial Real Estate Construction and development Pass	Dec. 31, 2013 Commercial Real Estate Construction and development Pass	Mar. 31, 2014 Commercial Real Estate Construction and development Performing	Dec. 31, 2013 Commercial Real Estate Construction and development Performing	Mar. 31, 2014 Commercial Real Estate Construction and development Non-accrual	Dec. 31, 2013 Commercial Real Estate Construction and development Non-accrual	Dec. 31, 2013 Commercial Real Estate Construction and development Substandard	Mar. 31, 2014 Commercial Real Estate Other	Dec. 31, 2013 Commercial Real Estate Other	Mar. 31, 2014 Commercial Real Estate Other Pass	Dec. 31, 2013 Commercial Real Estate Other Pass	Mar. 31, 2014 Commercial Real Estate Other Special Mention	Dec. 31, 2013 Commercial Real Estate Other Special Mention	Mar. 31, 2014 Commercial Real Estate Other Performing	Dec. 31, 2013 Commercial Real Estate Other Performing	Mar. 31, 2014 Commercial Real Estate Other Non-accrual	Dec. 31, 2013 Commercial Real Estate Other Non-accrual	Mar. 31, 2014 Commercial Real Estate Other Watch	Mar. 31, 2014 Commercial Real Estate Other Substandard	Dec. 31, 2013 Commercial Real Estate Other Substandard	Mar. 31, 2014 Residential	Dec. 31, 2013 Residential	Mar. 31, 2014 Residential Performing	Dec. 31, 2013 Residential Performing	Mar. 31, 2014 Residential Watch	Dec. 31, 2013 Residential Watch	Mar. 31, 2014 Residential Substandard	Dec. 31, 2013 Residential Substandard	Mar. 31, 2014 Residential 1-4 Family	Dec. 31, 2013 Residential 1-4 Family	Mar. 31, 2014 Residential 1-4 Family Performing	Dec. 31, 2013 Residential 1-4 Family Performing	Mar. 31, 2014 Residential 1-4 Family Watch	Dec. 31, 2013 Residential 1-4 Family Watch	Mar. 31, 2014 Residential 1-4 Family Substandard	Dec. 31, 2013 Residential 1-4 Family Substandard	Mar. 31, 2014 Residential Home equity	Dec. 31, 2013 Residential Home equity	Mar. 31, 2014 Residential Home equity Performing	Dec. 31, 2013 Residential Home equity Performing	Mar. 31, 2014 Residential Home equity Watch	Dec. 31, 2013 Residential Home equity Watch	Mar. 31, 2014 Residential Home equity Substandard	Dec. 31, 2013 Residential Home equity Substandard	Mar. 31, 2014 Consumer	Dec. 31, 2013 Consumer	Mar. 31, 2014 Consumer Performing	Dec. 31, 2013 Consumer Performing	Mar. 31, 2014 Consumer Substandard	Dec. 31, 2013 Consumer Substandard	Mar. 31, 2014 Consumer Loss	Dec. 31, 2013 Consumer Loss	Mar. 31, 2014 Consumer Direct	Dec. 31, 2013 Consumer Direct	Mar. 31, 2014 Consumer Direct Performing	Dec. 31, 2013 Consumer Direct Performing	Mar. 31, 2014 Consumer Direct Substandard	Dec. 31, 2013 Consumer Direct Substandard	Mar. 31, 2014 Consumer Direct Loss	Dec. 31, 2013 Consumer Direct Loss	Mar. 31, 2014 Consumer Indirect	Dec. 31, 2013 Consumer Indirect	Mar. 31, 2014 Consumer Indirect Performing	Dec. 31, 2013 Consumer Indirect Performing	Dec. 31, 2013 Consumer Indirect Substandard
Risk category of loans
Credit relationships with an outstanding balance															$ 1,000,000
Period for which principal and interest has been in default																90 days
Loans	1,687,551,000	1,671,926,000	754,995,000	732,542,000	52,959,000	56,937,000	148,028,000	147,861,000	10,804,000	13,070,000	60,000	23,000	29,429,000	27,277,000									226,477,000	210,701,000		185,469,000	180,378,000	146,369,000	144,744,000	3,278,000	4,538,000	33,927,000	29,664,000	135,000	159,000	17,000	23,000	1,743,000	1,250,000	41,008,000	30,323,000	41,008,000	30,206,000	117,000	769,798,000	767,009,000		74,023,000	76,082,000	71,937,000	73,006,000	1,011,000	105,000	188,000	1,878,000	887,000	1,093,000	99,833,000	108,226,000	53,177,000	61,195,000	29,254,000	31,401,000	17,402,000	15,630,000	42,778,000	35,731,000	42,345,000	34,672,000	110,000	264,000	323,000	329,000	466,000	553,164,000	546,970,000	400,159,000	388,719,000	19,416,000	20,893,000	113,803,000	115,938,000	9,459,000	11,489,000	43,000	10,284,000	9,931,000	647,534,000	648,010,000	641,596,000	639,770,000	909,000	2,280,000	5,029,000	5,960,000	403,197,000	403,733,000	398,678,000	396,836,000	570,000	1,965,000	3,949,000	4,932,000	244,337,000	244,277,000	242,918,000	242,934,000	339,000	315,000	1,080,000	1,028,000	43,742,000	46,206,000	43,703,000	46,043,000	15,000	36,000	24,000	127,000	42,827,000	45,129,000	42,788,000	44,970,000	15,000	32,000	24,000	127,000	915,000	1,077,000	915,000	1,073,000	4,000
Loans classified by delinquency																									$ 250,000																						$ 250,000
Period of loans past due																	60 days	90 days	119 days	89 days	60 days	119 days