Allowance for Loan Losses (Details 3) (Nonperforming Financing Receivable [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	$ 873	$ 2,207
Troubled Debt Restructuring	14,866	17,252
Nonaccrual	18,673	19,779
Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	0	240
Troubled Debt Restructuring	5,053	6,578
Nonaccrual	6,148	6,861
Farmland
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	0	0
Troubled Debt Restructuring	0	0
Nonaccrual	89	99
Non Farm, Non Residential
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	0	489
Troubled Debt Restructuring	4,044	5,687
Nonaccrual	4,713	4,918
Agriculture
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	0	0
Troubled Debt Restructuring	0	0
Nonaccrual	310	134
All Other Commercial
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	0	0
Troubled Debt Restructuring	0	0
Nonaccrual	1,571	1,412
First Liens
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	641	1,100
Troubled Debt Restructuring	5,209	4,283
Nonaccrual	4,195	4,047
Home Equity
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	53	40
Troubled Debt Restructuring	0	0
Nonaccrual	269	195
Junior Liens
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	3	147
Troubled Debt Restructuring	0	0
Nonaccrual	388	390
Multifamily
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	0	0
Troubled Debt Restructuring	0	61
Nonaccrual	0	433
All Other Residential
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	4	1
Troubled Debt Restructuring	0	0
Nonaccrual	115	130
Motor Vehicle
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	169	187
Troubled Debt Restructuring	557	626
Nonaccrual	300	186
All Other Consumer
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	3	3
Troubled Debt Restructuring	3	17
Nonaccrual	$ 575	$ 974