Allowance for Loan Losses (Details 3) - USD ($) $ in Thousands	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015
Aging of recorded investment in loans by past due category and class of loans
Fair value	$ 7,371		$ 8,600
Financing Receivable, Modifications, Recorded Investment	7,984	$ 8,158	8,565	$ 9,155	$ 9,509	$ 9,860
Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
Fair value	359		501
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	0		451
Agriculture
Aging of recorded investment in loans by past due category and class of loans
Fair value	165		0
All Other Commercial
Aging of recorded investment in loans by past due category and class of loans
Fair value	0		0
First Liens
Aging of recorded investment in loans by past due category and class of loans
Fair value	435		435
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	1,185		669
Nonaccrual	11,255		13,492
Financing Receivable, Modifications, Recorded Investment	3,651		3,798
Financing Receivable, Modifications, Nonaccrual	4,403		4,836
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		45
Nonaccrual	1,928		2,405
Financing Receivable, Modifications, Recorded Investment	3		3
Financing Receivable, Modifications, Nonaccrual	327		383
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	20		0
Nonaccrual	1,032		978
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	371		1,027
Financing Receivable, Modifications, Recorded Investment	2		60
Financing Receivable, Modifications, Nonaccrual	2,730		2,941
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	64		0
Nonaccrual	578		744
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	1,330		1,380
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	748		276
Nonaccrual	4,573		5,496
Financing Receivable, Modifications, Recorded Investment	3,464		3,525
Financing Receivable, Modifications, Nonaccrual	806		995
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	14		0
Nonaccrual	272		285
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	28		55
Nonaccrual	160		202
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	13		0
Nonaccrual	86		94
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	298		293
Nonaccrual	233		140
Financing Receivable, Modifications, Recorded Investment	16		60
Financing Receivable, Modifications, Nonaccrual	0		0
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	0		0
Nonaccrual	692		741
Financing Receivable, Modifications, Recorded Investment	166		150
Financing Receivable, Modifications, Nonaccrual	$ 540		$ 517