Allowance for Loan Losses (Details 3) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Aging of recorded investment in loans by past due category and class of loans
Troubled Debt Restructuring	$ 4,100	$ 1,600
Nonperforming Financing Receivable [Member]
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	1,139	3,551
Troubled Debt Restructuring	21,217	21,236
Nonaccrual	21,800	36,794
Commercial & Industrial | Nonperforming Financing Receivable [Member]
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	10	724
Troubled Debt Restructuring	10,083	11,573
Nonaccrual	5,061	9,360
Farmland | Nonperforming Financing Receivable [Member]
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	0	231
Troubled Debt Restructuring	0	0
Nonaccrual	179	907
Non Farm, Non Residential | Nonperforming Financing Receivable [Member]
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	37	491
Troubled Debt Restructuring	6,215	4,836
Nonaccrual	5,189	6,718
Agriculture | Nonperforming Financing Receivable [Member]
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	0	69
Troubled Debt Restructuring	0	0
Nonaccrual	116	104
All Other Commercial | Nonperforming Financing Receivable [Member]
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	4,165	4,811
First Liens | Nonperforming Financing Receivable [Member]
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	747	1,237
Troubled Debt Restructuring	4,276	4,126
Nonaccrual	4,414	6,852
Home Equity | Nonperforming Financing Receivable [Member]
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	22	24
Troubled Debt Restructuring	0	0
Nonaccrual	188	196
Junior Liens | Nonperforming Financing Receivable [Member]
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	147	538
Troubled Debt Restructuring	0	0
Nonaccrual	547	405
Multifamily | Nonperforming Financing Receivable [Member]
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	0	101
Troubled Debt Restructuring	0	0
Nonaccrual	452	5,598
All Other Residential | Nonperforming Financing Receivable [Member]
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	135	150
Motor Vehicle | Nonperforming Financing Receivable [Member]
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	172	133
Troubled Debt Restructuring	626	685
Nonaccrual	186	174
All Other Consumer | Nonperforming Financing Receivable [Member]
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	4	3
Troubled Debt Restructuring	17	16
Nonaccrual	$ 1,168	$ 1,519