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Allowance for Loan Losses (Details 3) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Aging of recorded investment in loans by past due category and class of loans
Fair value	$ 10,455	$ 10,516
Financing Receivable, Modifications, Recorded Investment	4,774	4,806	$ 6,919	$ 7,034
Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
Fair value	1,202	1,226
Farmland
Aging of recorded investment in loans by past due category and class of loans
Fair value	170	167
Non Farm, Non Residential
Aging of recorded investment in loans by past due category and class of loans
Fair value	0	0
Agriculture
Aging of recorded investment in loans by past due category and class of loans
Fair value	154	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	0	0
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	549	852
Nonaccrual	10,808	10,974
Financing Receivable, Modifications, Recorded Investment	3,763	3,652
Financing Receivable, Modifications, Nonaccrual	1,012	1,024
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	3,204	2,902
Financing Receivable, Modifications, Recorded Investment	1	1
Financing Receivable, Modifications, Nonaccrual	135	144
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	2,322	2,391
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	76	81
Financing Receivable, Modifications, Recorded Investment	0	0
Financing Receivable, Modifications, Nonaccrual	0	0
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	0	0
Nonaccrual	353	355
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	1,084	1,122
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	328	581
Nonaccrual	3,079	3,393
Financing Receivable, Modifications, Recorded Investment	3,384	3,327
Financing Receivable, Modifications, Nonaccrual	557	531
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	38	41
Nonaccrual	40	75
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	5	53
Nonaccrual	82	86
Financing Receivable, Modifications, Recorded Investment	79	55
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	0
Nonaccrual	62	64
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	171	177
Nonaccrual	159	125
Financing Receivable, Modifications, Recorded Investment	0	1
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	7	0
Nonaccrual	347	380
Financing Receivable, Modifications, Recorded Investment	299	268
Financing Receivable, Modifications, Nonaccrual	$ 320	$ 349

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