Allowance for Loan Losses (Details 5) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	$ 13,850	$ 15,501
Financing Receivable, Recorded Investment, Current	1,848,498	1,829,539
Total	1,862,348	1,845,040
Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	1,620	1,683
Financing Receivable, Recorded Investment, Current	461,790	474,406
Total	463,410	476,089
Farmland
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	3,937	303
Financing Receivable, Recorded Investment, Current	105,852	110,897
Total	109,789	111,200
Non Farm, Non Residential
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	152	368
Financing Receivable, Recorded Investment, Current	203,835	195,120
Total	203,987	195,488
Agriculture
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	721	713
Financing Receivable, Recorded Investment, Current	147,025	151,059
Total	147,746	151,772
All Other Commercial
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	20	15
Financing Receivable, Recorded Investment, Current	188,650	178,171
Total	188,670	178,186
First Liens
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	3,177	6,332
Financing Receivable, Recorded Investment, Current	257,853	264,446
Total	261,030	270,778
Home Equity
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	164	277
Financing Receivable, Recorded Investment, Current	35,265	35,782
Total	35,429	36,059
Junior Liens
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	480	495
Financing Receivable, Recorded Investment, Current	37,730	36,912
Total	38,210	37,407
Multifamily
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	0	0
Financing Receivable, Recorded Investment, Current	83,053	67,799
Total	83,053	67,799
All Other Residential
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	13	54
Financing Receivable, Recorded Investment, Current	13,258	12,982
Total	13,271	13,036
Motor Vehicle
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	3,475	5,093
Financing Receivable, Recorded Investment, Current	289,787	277,604
Total	293,262	282,697
All Other Consumer
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	91	168
Financing Receivable, Recorded Investment, Current	24,400	24,361
Total	24,491	24,529
Financing Receivables, 30 to 59 Days Past Due [Member]
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	5,498	9,571
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	605	370
Financing Receivables, 30 to 59 Days Past Due [Member] | Farmland
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	678	235
Financing Receivables, 30 to 59 Days Past Due [Member] | Non Farm, Non Residential
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	152	153
Financing Receivables, 30 to 59 Days Past Due [Member] | Agriculture
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	287	246
Financing Receivables, 30 to 59 Days Past Due [Member] | All Other Commercial
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	1	15
Financing Receivables, 30 to 59 Days Past Due [Member] | First Liens
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	725	3,862
Financing Receivables, 30 to 59 Days Past Due [Member] | Home Equity
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	93	186
Financing Receivables, 30 to 59 Days Past Due [Member] | Junior Liens
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	235	271
Financing Receivables, 30 to 59 Days Past Due [Member] | Multifamily
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | All Other Residential
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	0	42
Financing Receivables, 30 to 59 Days Past Due [Member] | Motor Vehicle
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	2,639	4,048
Financing Receivables, 30 to 59 Days Past Due [Member] | All Other Consumer
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	83	143
Financing Receivables, 60 to 89 Days Past Due [Member]
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	4,019	1,920
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	77	114
Financing Receivables, 60 to 89 Days Past Due [Member] | Farmland
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	2,309	22
Financing Receivables, 60 to 89 Days Past Due [Member] | Non Farm, Non Residential
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Agriculture
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | All Other Commercial
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | First Liens
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	910	954
Financing Receivables, 60 to 89 Days Past Due [Member] | Home Equity
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	46	64
Financing Receivables, 60 to 89 Days Past Due [Member] | Junior Liens
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	145	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Multifamily
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | All Other Residential
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	0	12
Financing Receivables, 60 to 89 Days Past Due [Member] | Motor Vehicle
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	525	732
Financing Receivables, 60 to 89 Days Past Due [Member] | All Other Consumer
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	7	22
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	4,333	4,010
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	938	1,199
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Farmland
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	950	46
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non Farm, Non Residential
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	0	215
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Agriculture
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	434	467
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | All Other Commercial
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	19	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | First Liens
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	1,542	1,516
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Home Equity
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	25	27
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Junior Liens
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	100	224
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Multifamily
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | All Other Residential
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	13	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Motor Vehicle
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	311	313
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | All Other Consumer
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	$ 1	$ 3