Allowance for Loan Losses (Details 5) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Analysis of risk category of loans by class of loans
Total loans	$ 1,781,823	$ 1,780,350
Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	498,524	454,160
Farmland
Analysis of risk category of loans by class of loans
Total loans	96,411	93,839
Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	218,338	233,760
Agriculture
Analysis of risk category of loans by class of loans
Total loans	131,739	148,102
All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	123,820	114,661
First Liens
Analysis of risk category of loans by class of loans
Total loans	305,392	315,559
Home Equity
Analysis of risk category of loans by class of loans
Total loans	38,020	40,463
Junior Liens
Analysis of risk category of loans by class of loans
Total loans	30,814	31,962
Multifamily
Analysis of risk category of loans by class of loans
Total loans	63,919	72,133
All Other Residential
Analysis of risk category of loans by class of loans
Total loans	6,962	9,055
Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	246,640	245,063
All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	21,244	21,593
Pass
Analysis of risk category of loans by class of loans
Total loans	1,122,708	1,116,963
Pass | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	429,845	393,449
Pass | Farmland
Analysis of risk category of loans by class of loans
Total loans	85,745	85,772
Pass | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	189,429	186,346
Pass | Agriculture
Analysis of risk category of loans by class of loans
Total loans	115,653	138,713
Pass | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	107,893	101,942
Pass | First Liens
Analysis of risk category of loans by class of loans
Total loans	98,064	104,854
Pass | Home Equity
Analysis of risk category of loans by class of loans
Total loans	11,554	12,592
Pass | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	7,815	8,112
Pass | Multifamily
Analysis of risk category of loans by class of loans
Total loans	61,357	69,080
Pass | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	1,258	1,799
Pass | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	11,007	11,135
Pass | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	3,088	3,169
Special Mention
Analysis of risk category of loans by class of loans
Total loans	70,487	79,040
Special Mention | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	36,520	29,081
Special Mention | Farmland
Analysis of risk category of loans by class of loans
Total loans	7,747	7,618
Special Mention | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	6,214	21,765
Special Mention | Agriculture
Analysis of risk category of loans by class of loans
Total loans	6,658	7,399
Special Mention | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	6,972	4,356
Special Mention | First Liens
Analysis of risk category of loans by class of loans
Total loans	5,275	5,929
Special Mention | Home Equity
Analysis of risk category of loans by class of loans
Total loans	451	375
Special Mention | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	120	173
Special Mention | Multifamily
Analysis of risk category of loans by class of loans
Total loans	0	1,801
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	421	402
Special Mention | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	109	141
Substandard
Analysis of risk category of loans by class of loans
Total loans	78,622	70,119
Substandard | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	23,715	24,013
Substandard | Farmland
Analysis of risk category of loans by class of loans
Total loans	2,907	436
Substandard | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	22,659	25,613
Substandard | Agriculture
Analysis of risk category of loans by class of loans
Total loans	9,245	1,746
Substandard | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	7,191	7,055
Substandard | First Liens
Analysis of risk category of loans by class of loans
Total loans	8,106	7,733
Substandard | Home Equity
Analysis of risk category of loans by class of loans
Total loans	1,255	1,374
Substandard | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	490	561
Substandard | Multifamily
Analysis of risk category of loans by class of loans
Total loans	2,540	1,249
Substandard | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	26	28
Substandard | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	386	224
Substandard | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	102	87
Doubtful
Analysis of risk category of loans by class of loans
Total loans	3,749	4,271
Doubtful | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	2,755	2,900
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	36
Doubtful | Agriculture
Analysis of risk category of loans by class of loans
Total loans	27	177
Doubtful | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	105	33
Doubtful | First Liens
Analysis of risk category of loans by class of loans
Total loans	739	1,035
Doubtful | Home Equity
Analysis of risk category of loans by class of loans
Total loans	11	6
Doubtful | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	60	63
Doubtful | Multifamily
Analysis of risk category of loans by class of loans
Total loans	0	0
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	0
Doubtful | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	16	21
Not Rated
Analysis of risk category of loans by class of loans
Total loans	506,257	509,957
Not Rated | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	5,689	4,717
Not Rated | Farmland
Analysis of risk category of loans by class of loans
Total loans	12	13
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	156	67
Not Rated | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	1,659	1,275
Not Rated | First Liens
Analysis of risk category of loans by class of loans
Total loans	193,208	196,008
Not Rated | Home Equity
Analysis of risk category of loans by class of loans
Total loans	24,749	26,116
Not Rated | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	22,329	23,053
Not Rated | Multifamily
Analysis of risk category of loans by class of loans
Total loans	22	3
Not Rated | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	5,678	7,228
Not Rated | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	234,826	233,302
Not Rated | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	$ 17,929	$ 18,175