Allowance for Loan Losses (Details 5) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Analysis of risk category of loans by class of loans
Total loans	$ 1,810,687	$ 1,792,548
Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	477,347	467,099
Farmland
Analysis of risk category of loans by class of loans
Total loans	92,262	91,056
Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	231,667	241,051
Agriculture
Analysis of risk category of loans by class of loans
Total loans	136,421	134,795
All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	126,678	108,137
First Liens
Analysis of risk category of loans by class of loans
Total loans	322,895	331,817
Home Equity
Analysis of risk category of loans by class of loans
Total loans	40,199	41,636
Junior Liens
Analysis of risk category of loans by class of loans
Total loans	32,007	33,189
Multifamily
Analysis of risk category of loans by class of loans
Total loans	72,750	66,511
All Other Residential
Analysis of risk category of loans by class of loans
Total loans	9,170	9,224
Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	248,438	246,395
All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	20,853	21,638
Pass
Analysis of risk category of loans by class of loans
Total loans	1,148,302	1,139,535
Pass | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	424,077	406,650
Pass | Farmland
Analysis of risk category of loans by class of loans
Total loans	87,269	86,633
Pass | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	186,090	207,115
Pass | Agriculture
Analysis of risk category of loans by class of loans
Total loans	127,247	128,137
Pass | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	109,833	93,515
Pass | First Liens
Analysis of risk category of loans by class of loans
Total loans	109,371	114,074
Pass | Home Equity
Analysis of risk category of loans by class of loans
Total loans	12,239	12,883
Pass | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	8,039	8,858
Pass | Multifamily
Analysis of risk category of loans by class of loans
Total loans	68,078	63,073
Pass | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	1,795	3,643
Pass | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	10,974	11,447
Pass | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	3,290	3,507
Special Mention
Analysis of risk category of loans by class of loans
Total loans	79,130	51,127
Special Mention | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	28,816	18,968
Special Mention | Farmland
Analysis of risk category of loans by class of loans
Total loans	4,687	3,631
Special Mention | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	21,105	13,408
Special Mention | Agriculture
Analysis of risk category of loans by class of loans
Total loans	7,573	6,482
Special Mention | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	7,774	2,297
Special Mention | First Liens
Analysis of risk category of loans by class of loans
Total loans	4,338	3,834
Special Mention | Home Equity
Analysis of risk category of loans by class of loans
Total loans	579	274
Special Mention | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	176	60
Special Mention | Multifamily
Analysis of risk category of loans by class of loans
Total loans	3,580	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	383	219
Special Mention | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	119	46
Substandard
Analysis of risk category of loans by class of loans
Total loans	64,188	73,416
Substandard | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	18,510	30,986
Substandard | Farmland
Analysis of risk category of loans by class of loans
Total loans	290	347
Substandard | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	24,466	19,719
Substandard | Agriculture
Analysis of risk category of loans by class of loans
Total loans	1,560	105
Substandard | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	7,696	10,038
Substandard | First Liens
Analysis of risk category of loans by class of loans
Total loans	7,966	8,498
Substandard | Home Equity
Analysis of risk category of loans by class of loans
Total loans	1,124	1,071
Substandard | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	551	550
Substandard | Multifamily
Analysis of risk category of loans by class of loans
Total loans	1,091	1,482
Substandard | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	607	31
Substandard | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	252	510
Substandard | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	75	79
Doubtful
Analysis of risk category of loans by class of loans
Total loans	4,032	6,176
Doubtful | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	2,763	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	6	809
Doubtful | Agriculture
Analysis of risk category of loans by class of loans
Total loans	0	0
Doubtful | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	36	44
Doubtful | First Liens
Analysis of risk category of loans by class of loans
Total loans	1,043	995
Doubtful | Home Equity
Analysis of risk category of loans by class of loans
Total loans	100	113
Doubtful | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	64	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	12	9
Doubtful | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	8	22
Not Rated
Analysis of risk category of loans by class of loans
Total loans	515,035	522,294
Not Rated | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	3,181	6,426
Not Rated | Farmland
Analysis of risk category of loans by class of loans
Total loans	16	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	41	71
Not Rated | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	1,339	2,243
Not Rated | First Liens
Analysis of risk category of loans by class of loans
Total loans	200,177	204,416
Not Rated | Home Equity
Analysis of risk category of loans by class of loans
Total loans	26,157	27,295
Not Rated | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	23,177	23,654
Not Rated | Multifamily
Analysis of risk category of loans by class of loans
Total loans	1	0
Not Rated | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	6,768	5,550
Not Rated | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	236,817	234,210
Not Rated | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	$ 17,361	$ 17,984