ALLOWANCE FOR LOAN LOSSES: (Details 6) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Analysis of risk category of loans by class of loans
Total loans	$ 1,780,350	$ 1,792,548
Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	454,160	467,099
Farmland
Analysis of risk category of loans by class of loans
Total loans	93,839	91,056
Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	233,760	241,051
Agriculture
Analysis of risk category of loans by class of loans
Total loans	148,102	134,795
All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	114,661	108,137
First Liens
Analysis of risk category of loans by class of loans
Total loans	315,559	331,817
Home Equity
Analysis of risk category of loans by class of loans
Total loans	40,463	41,636
Junior Liens
Analysis of risk category of loans by class of loans
Total loans	31,962	33,189
Multifamily
Analysis of risk category of loans by class of loans
Total loans	72,133	66,511
All Other Residential
Analysis of risk category of loans by class of loans
Total loans	9,055	9,224
Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	245,063	246,395
All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	21,593	21,638
Pass
Analysis of risk category of loans by class of loans
Total loans	1,116,963	1,139,535
Pass | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	393,449	406,650
Pass | Farmland
Analysis of risk category of loans by class of loans
Total loans	85,772	86,633
Pass | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	186,346	207,115
Pass | Agriculture
Analysis of risk category of loans by class of loans
Total loans	138,713	128,137
Pass | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	101,942	93,515
Pass | First Liens
Analysis of risk category of loans by class of loans
Total loans	104,854	114,074
Pass | Home Equity
Analysis of risk category of loans by class of loans
Total loans	12,592	12,883
Pass | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	8,112	8,858
Pass | Multifamily
Analysis of risk category of loans by class of loans
Total loans	69,080	63,073
Pass | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	1,799	3,643
Pass | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	11,135	11,447
Pass | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	3,169	3,507
Special Mention
Analysis of risk category of loans by class of loans
Total loans	79,040	51,127
Special Mention | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	29,081	18,968
Special Mention | Farmland
Analysis of risk category of loans by class of loans
Total loans	7,618	3,631
Special Mention | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	21,765	13,408
Special Mention | Agriculture
Analysis of risk category of loans by class of loans
Total loans	7,399	6,482
Special Mention | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	4,356	2,297
Special Mention | First Liens
Analysis of risk category of loans by class of loans
Total loans	5,929	3,834
Special Mention | Home Equity
Analysis of risk category of loans by class of loans
Total loans	375	274
Special Mention | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	173	60
Special Mention | Multifamily
Analysis of risk category of loans by class of loans
Total loans	1,801	1,908
Special Mention | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	0	0
Special Mention | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	402	219
Special Mention | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	141	46
Substandard
Analysis of risk category of loans by class of loans
Total loans	70,119	73,416
Substandard | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	24,013	30,986
Substandard | Farmland
Analysis of risk category of loans by class of loans
Total loans	436	347
Substandard | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	25,613	19,719
Substandard | Agriculture
Analysis of risk category of loans by class of loans
Total loans	1,746	105
Substandard | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	7,055	10,038
Substandard | First Liens
Analysis of risk category of loans by class of loans
Total loans	7,733	8,498
Substandard | Home Equity
Analysis of risk category of loans by class of loans
Total loans	1,374	1,071
Substandard | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	561	550
Substandard | Multifamily
Analysis of risk category of loans by class of loans
Total loans	1,249	1,482
Substandard | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	28	31
Substandard | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	224	510
Substandard | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	87	79
Doubtful
Analysis of risk category of loans by class of loans
Total loans	4,271	6,176
Doubtful | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	2,900	4,069
Doubtful | Farmland
Analysis of risk category of loans by class of loans
Total loans	0	0
Doubtful | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	36	809
Doubtful | Agriculture
Analysis of risk category of loans by class of loans
Total loans	177	0
Doubtful | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	33	44
Doubtful | First Liens
Analysis of risk category of loans by class of loans
Total loans	1,035	995
Doubtful | Home Equity
Analysis of risk category of loans by class of loans
Total loans	6	113
Doubtful | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	63	67
Doubtful | Multifamily
Analysis of risk category of loans by class of loans
Total loans	0	48
Doubtful | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	0	0
Doubtful | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	0	9
Doubtful | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	21	22
Not Rated
Analysis of risk category of loans by class of loans
Total loans	509,957	522,294
Not Rated | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	4,717	6,426
Not Rated | Farmland
Analysis of risk category of loans by class of loans
Total loans	13	445
Not Rated | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	0	0
Not Rated | Agriculture
Analysis of risk category of loans by class of loans
Total loans	67	71
Not Rated | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	1,275	2,243
Not Rated | First Liens
Analysis of risk category of loans by class of loans
Total loans	196,008	204,416
Not Rated | Home Equity
Analysis of risk category of loans by class of loans
Total loans	26,116	27,295
Not Rated | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	23,053	23,654
Not Rated | Multifamily
Analysis of risk category of loans by class of loans
Total loans	3	0
Not Rated | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	7,228	5,550
Not Rated | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	233,302	234,210
Not Rated | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	$ 18,175	$ 17,984