LOANS AND ALLOWANCE (Details 6) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Risk category of loans
Loans	$ 2,081,492	$ 1,957,765
Pass
Risk category of loans
Loans	1,111,600	995,989
Special Mention
Risk category of loans
Loans	21,522	34,922
Performing
Risk category of loans
Loans	144,484	143,086
Non-accrual
Risk category of loans
Loans	5,307	3,278
Watch
Risk category of loans
Loans	233	231
Substandard
Risk category of loans
Loans	7,978	22,927
Substandard Commercial
Risk category of loans
Loans	1,305	1,865
Minimum
Risk category of loans
Credit relationships with an outstanding balance	$ 1,000
Minimum | Watch
Risk category of loans
Period of loans past due	60 days
Minimum | Substandard
Risk category of loans
Period of loans past due	90 days
Minimum | Loss
Risk category of loans
Period of loans past due	119 days
Maximum | Watch
Risk category of loans
Period of loans past due	89 days
Consumer loans not secured by 1-4 family residential real estate | Minimum | Substandard
Risk category of loans
Period of loans past due	60 days
Consumer loans not secured by 1-4 family residential real estate | Maximum | Substandard
Risk category of loans
Period of loans past due	119 days
Commercial
Risk category of loans
Loans	$ 418,527	322,430
Commercial | Maximum
Risk category of loans
Loans classified by delinquency	250
Commercial | Commercial and industrial
Risk category of loans
Loans	394,462	275,646
Commercial | Commercial and industrial | Pass
Risk category of loans
Loans	343,520	226,731
Commercial | Commercial and industrial | Special Mention
Risk category of loans
Loans	7,356	9,926
Commercial | Commercial and industrial | Performing
Risk category of loans
Loans	40,776	36,839
Commercial | Commercial and industrial | Non-accrual
Risk category of loans
Loans	953	35
Commercial | Commercial and industrial | Watch
Risk category of loans
Loans	79	75
Commercial | Commercial and industrial | Substandard
Risk category of loans
Loans	1,729	1,596
Commercial | Commercial and industrial | Substandard Commercial
Risk category of loans
Loans	49	444
Commercial | Agricultural
Risk category of loans
Loans	24,065	46,784
Commercial | Agricultural | Pass
Risk category of loans
Loans	24,065	46,634
Commercial | Agricultural | Non-accrual
Risk category of loans
Loans		150
Commercial Real Estate
Risk category of loans
Loans	873,902	879,868
Commercial Real Estate | Maximum
Risk category of loans
Loans classified by delinquency	250
Commercial Real Estate | Farm
Risk category of loans
Loans	74,966	76,849
Commercial Real Estate | Farm | Pass
Risk category of loans
Loans	74,073	75,191
Commercial Real Estate | Farm | Special Mention
Risk category of loans
Loans	263	966
Commercial Real Estate | Farm | Non-accrual
Risk category of loans
Loans	348	692
Commercial Real Estate | Farm | Substandard
Risk category of loans
Loans	282
Commercial Real Estate | Hotel
Risk category of loans
Loans	45,650	74,962
Commercial Real Estate | Hotel | Pass
Risk category of loans
Loans	42,921	60,704
Commercial Real Estate | Hotel | Special Mention
Risk category of loans
Loans	2,729	2,835
Commercial Real Estate | Hotel | Substandard
Risk category of loans
Loans		11,423
Commercial Real Estate | Construction and development
Risk category of loans
Loans	86,702	61,640
Commercial Real Estate | Construction and development | Pass
Risk category of loans
Loans	86,702	60,971
Commercial Real Estate | Construction and development | Special Mention
Risk category of loans
Loans		372
Commercial Real Estate | Construction and development | Non-accrual
Risk category of loans
Loans		78
Commercial Real Estate | Construction and development | Substandard
Risk category of loans
Loans		219
Commercial Real Estate | Other
Risk category of loans
Loans	666,584	666,417
Commercial Real Estate | Other | Pass
Risk category of loans
Loans	540,319	525,758
Commercial Real Estate | Other | Special Mention
Risk category of loans
Loans	11,174	20,823
Commercial Real Estate | Other | Performing
Risk category of loans
Loans	103,708	106,247
Commercial Real Estate | Other | Non-accrual
Risk category of loans
Loans	4,006	2,323
Commercial Real Estate | Other | Watch
Risk category of loans
Loans	154	156
Commercial Real Estate | Other | Substandard
Risk category of loans
Loans	5,967	9,689
Commercial Real Estate | Other | Substandard Commercial
Risk category of loans
Loans	1,256	1,421
Residential
Risk category of loans
Loans	735,108	709,495
Residential | Performing
Risk category of loans
Loans	729,312	702,819
Residential | Watch
Risk category of loans
Loans	2,024	1,969
Residential | Substandard Commercial
Risk category of loans
Loans	3,772	4,707
Residential | 1-4 family
Risk category of loans
Loans	440,776	435,336
Residential | 1-4 family | Performing
Risk category of loans
Loans	436,611	430,431
Residential | 1-4 family | Watch
Risk category of loans
Loans	1,569	1,719
Residential | 1-4 family | Substandard Commercial
Risk category of loans
Loans	2,596	3,186
Residential | Home equity
Risk category of loans
Loans	294,332	274,159
Residential | Home equity | Performing
Risk category of loans
Loans	292,701	272,388
Residential | Home equity | Watch
Risk category of loans
Loans	455	250
Residential | Home equity | Substandard Commercial
Risk category of loans
Loans	1,176	1,521
Consumer
Risk category of loans
Loans	53,955	45,972
Consumer | Performing
Risk category of loans
Loans	53,879	45,786
Consumer | Substandard
Risk category of loans
Loans	43	149
Consumer | Loss
Risk category of loans
Loans	33	37
Consumer | Direct
Risk category of loans
Loans	53,468	45,360
Consumer | Direct | Performing
Risk category of loans
Loans	53,392	45,181
Consumer | Direct | Substandard
Risk category of loans
Loans	43	142
Consumer | Direct | Loss
Risk category of loans
Loans	33	37
Consumer | Indirect
Risk category of loans
Loans	487	612
Consumer | Indirect | Performing
Risk category of loans
Loans	$ 487	605
Consumer | Indirect | Substandard
Risk category of loans
Loans		$ 7