Allowance for Loan Losses (Details 5) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Analysis of risk category of loans by class of loans
Total loans	$ 1,792,551	$ 1,792,548
Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	473,559	467,099
Farmland
Analysis of risk category of loans by class of loans
Total loans	91,503	91,056
Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	236,525	241,051
Agriculture
Analysis of risk category of loans by class of loans
Total loans	119,848	134,795
All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	125,448	108,137
First Liens
Analysis of risk category of loans by class of loans
Total loans	323,559	331,817
Home Equity
Analysis of risk category of loans by class of loans
Total loans	40,485	41,636
Junior Liens
Analysis of risk category of loans by class of loans
Total loans	32,138	33,189
Multifamily
Analysis of risk category of loans by class of loans
Total loans	73,583	66,511
All Other Residential
Analysis of risk category of loans by class of loans
Total loans	7,500	9,224
Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	248,173	246,395
All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	20,230	21,638
Pass
Analysis of risk category of loans by class of loans
Total loans	1,126,205	1,139,535
Pass | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	417,190	406,650
Pass | Farmland
Analysis of risk category of loans by class of loans
Total loans	85,730	86,633
Pass | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	190,004	207,115
Pass | Agriculture
Analysis of risk category of loans by class of loans
Total loans	111,137	128,137
Pass | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	105,137	93,515
Pass | First Liens
Analysis of risk category of loans by class of loans
Total loans	112,178	114,074
Pass | Home Equity
Analysis of risk category of loans by class of loans
Total loans	12,014	12,883
Pass | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	8,284	8,858
Pass | Multifamily
Analysis of risk category of loans by class of loans
Total loans	68,865	63,073
Pass | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	1,287	3,643
Pass | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	11,083	11,447
Pass | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	3,296	3,507
Special Mention
Analysis of risk category of loans by class of loans
Total loans	80,433	51,127
Special Mention | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	29,830	18,968
Special Mention | Farmland
Analysis of risk category of loans by class of loans
Total loans	5,386	3,631
Special Mention | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	20,980	13,408
Special Mention | Agriculture
Analysis of risk category of loans by class of loans
Total loans	7,439	6,482
Special Mention | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	7,756	2,297
Special Mention | First Liens
Analysis of risk category of loans by class of loans
Total loans	4,452	3,834
Special Mention | Home Equity
Analysis of risk category of loans by class of loans
Total loans	422	274
Special Mention | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	99	60
Special Mention | Multifamily
Analysis of risk category of loans by class of loans
Total loans	3,614	1,908
Special Mention | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	195	0
Special Mention | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	213	219
Special Mention | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	47	46
Substandard
Analysis of risk category of loans by class of loans
Total loans	68,139	73,416
Substandard | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	19,433	30,986
Substandard | Farmland
Analysis of risk category of loans by class of loans
Total loans	368	347
Substandard | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	25,427	19,719
Substandard | Agriculture
Analysis of risk category of loans by class of loans
Total loans	849	105
Substandard | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	9,663	10,038
Substandard | First Liens
Analysis of risk category of loans by class of loans
Total loans	8,434	8,498
Substandard | Home Equity
Analysis of risk category of loans by class of loans
Total loans	1,452	1,071
Substandard | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	573	550
Substandard | Multifamily
Analysis of risk category of loans by class of loans
Total loans	1,104	1,482
Substandard | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	427	31
Substandard | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	339	510
Substandard | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	70	79
Doubtful
Analysis of risk category of loans by class of loans
Total loans	5,042	6,176
Doubtful | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	3,628	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	114	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	38	44
Doubtful | First Liens
Analysis of risk category of loans by class of loans
Total loans	1,070	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	65	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	17	9
Doubtful | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	10	22
Not Rated
Analysis of risk category of loans by class of loans
Total loans	512,732	522,294
Not Rated | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	3,478	6,426
Not Rated | Farmland
Analysis of risk category of loans by class of loans
Total loans	19	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	423	71
Not Rated | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	2,854	2,243
Not Rated | First Liens
Analysis of risk category of loans by class of loans
Total loans	197,425	204,416
Not Rated | Home Equity
Analysis of risk category of loans by class of loans
Total loans	26,497	27,295
Not Rated | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	23,117	23,654
Not Rated | Multifamily
Analysis of risk category of loans by class of loans
Total loans	0	0
Not Rated | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	5,591	5,550
Not Rated | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	236,521	234,210
Not Rated | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	$ 16,807	$ 17,984