Allowance for Loan Losses (Details 3) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Aging of recorded investment in loans by past due category and class of loans
Fair value	$ 10,582		$ 14,606
Financing Receivable, Modifications, Recorded Investment	9,828	$ 14,951	14,758	$ 14,758	$ 14,721	$ 17,301
Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
Fair value	1,340		4,818
Farmland
Aging of recorded investment in loans by past due category and class of loans
Fair value	0		0
Non Farm, Non Residential
Aging of recorded investment in loans by past due category and class of loans
Fair value	788		5,901
Agriculture
Aging of recorded investment in loans by past due category and class of loans
Fair value	0		0
All Other Commercial
Aging of recorded investment in loans by past due category and class of loans
Fair value	233		725
First Liens
Aging of recorded investment in loans by past due category and class of loans
Fair value	672		33
Home Equity
Aging of recorded investment in loans by past due category and class of loans
Fair value	0		0
Junior Liens
Aging of recorded investment in loans by past due category and class of loans
Fair value	0		0
Multifamily
Aging of recorded investment in loans by past due category and class of loans
Fair value	0		0
All Other Residential
Aging of recorded investment in loans by past due category and class of loans
Fair value	0		0
Motor Vehicle
Aging of recorded investment in loans by past due category and class of loans
Fair value	0		0
All Other Consumer
Aging of recorded investment in loans by past due category and class of loans
Fair value	0		0
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	1,701		873
Nonaccrual	16,112		15,034
Financing Receivable, Modifications, Recorded Investment	4,791		4,632
Financing Receivable, Modifications, Nonaccrual	5,049		10,142
Nonperforming Financing Receivable [Member] | 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		0
Nonaccrual	3,943		3,720
Financing Receivable, Modifications, Recorded Investment	5		7
Financing Receivable, Modifications, Nonaccrual	430		4,961
Nonperforming Financing Receivable [Member] | 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
Nonaccrual	385		79
Financing Receivable, Modifications, Recorded Investment	0		0
Financing Receivable, Modifications, Nonaccrual	0		0
Nonperforming Financing Receivable [Member] | 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		0
Nonaccrual	2,666		3,388
Financing Receivable, Modifications, Recorded Investment	7		10
Financing Receivable, Modifications, Nonaccrual	3,190		3,987
Nonperforming Financing Receivable [Member] | Agriculture
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	588		0
Nonaccrual	289		767
Financing Receivable, Modifications, Recorded Investment	0		0
Financing Receivable, Modifications, Nonaccrual	0		0
Nonperforming Financing Receivable [Member] | 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
Nonaccrual	1,993		1,258
Financing Receivable, Modifications, Recorded Investment	0		0
Financing Receivable, Modifications, Nonaccrual	0		0
Nonperforming Financing Receivable [Member] | First Liens
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	798		603
Nonaccrual	5,062		3,861
Financing Receivable, Modifications, Recorded Investment	4,558		4,357
Financing Receivable, Modifications, Nonaccrual	995		842
Nonperforming Financing Receivable [Member] | Home Equity
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	62		88
Nonaccrual	295		404
Financing Receivable, Modifications, Recorded Investment	0		0
Financing Receivable, Modifications, Nonaccrual	0		0
Nonperforming Financing Receivable [Member] | Junior Liens
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	13		12
Nonaccrual	230		275
Financing Receivable, Modifications, Recorded Investment	0		0
Financing Receivable, Modifications, Nonaccrual	0		0
Nonperforming Financing Receivable [Member] | 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
Nonaccrual	0		0
Financing Receivable, Modifications, Recorded Investment	0		0
Financing Receivable, Modifications, Nonaccrual	0		0
Nonperforming Financing Receivable [Member] | 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	0		5
Nonaccrual	115		111
Financing Receivable, Modifications, Recorded Investment	0		0
Financing Receivable, Modifications, Nonaccrual	0		0
Nonperforming Financing Receivable [Member] | Motor Vehicle
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	234		162
Nonaccrual	150		210
Financing Receivable, Modifications, Recorded Investment	181		257
Financing Receivable, Modifications, Nonaccrual	11		83
Nonperforming Financing Receivable [Member] | 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	6		3
Nonaccrual	984		961
Financing Receivable, Modifications, Recorded Investment	40		1
Financing Receivable, Modifications, Nonaccrual	$ 423		$ 269