Allowance for Loan Losses (Details 5) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	$ 15,892	$ 25,726
Financing Receivable, Not Past Due	2,635,431	2,592,827
Total	2,651,323	2,618,553
Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	4,006	4,795
Financing Receivable, Not Past Due	694,263	603,777
Total	698,269	608,572
Farmland
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	87	113
Financing Receivable, Not Past Due	114,518	118,528
Total	114,605	118,641
Non Farm, Non Residential
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	310	426
Financing Receivable, Not Past Due	348,314	350,681
Total	348,624	351,107
Agriculture
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	1,200	333
Financing Receivable, Not Past Due	110,920	146,147
Total	112,120	146,480
All Other Commercial
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	380	24
Financing Receivable, Not Past Due	304,293	305,612
Total	304,673	305,636
First Liens
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	6,217	9,737
Financing Receivable, Not Past Due	309,514	314,730
Total	315,731	324,467
Home Equity
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	178	393
Financing Receivable, Not Past Due	58,946	60,362
Total	59,124	60,755
Junior Liens
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	604	830
Financing Receivable, Not Past Due	51,962	53,346
Total	52,566	54,176
Multifamily
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	0	0
Financing Receivable, Not Past Due	150,123	151,042
Total	150,123	151,042
All Other Residential
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	56	50
Financing Receivable, Not Past Due	15,980	15,918
Total	16,036	15,968
Motor Vehicle
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	2,701	8,829
Financing Receivable, Not Past Due	446,489	441,283
Total	449,190	450,112
All Other Consumer
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	153	196
Financing Receivable, Not Past Due	30,109	31,401
Total	30,262	31,597
Financial Asset, 30 to 59 Days Past Due [Member]
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	7,903	14,216
Financial Asset, 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	696	685
Financial Asset, 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	0	22
Financial Asset, 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	303	155
Financial Asset, 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	2	28
Financial Asset, 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	357	0
Financial Asset, 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	3,771	5,506
Financial Asset, 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	38	260
Financial Asset, 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	289	421
Financial Asset, 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
Financial Asset, 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	56	0
Financial Asset, 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	2,264	6,975
Financial Asset, 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	127	164
Financial Asset, 60 to 89 Days Past Due [Member]
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	1,273	4,102
Financial Asset, 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	54	746
Financial Asset, 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	0	0
Financial Asset, 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
Financial Asset, 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	30
Financial Asset, 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
Financial Asset, 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	774	1,866
Financial Asset, 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	77	29
Financial Asset, 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	33	68
Financial Asset, 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
Financial Asset, 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	50
Financial Asset, 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	323	1,294
Financial Asset, 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	12	19
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Aging of recorded investment in loans by past due category and class of loans
Total Past Due	6,716	7,408
Financial Asset, Equal to or 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	3,256	3,364
Financial Asset, Equal to or 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	87	91
Financial Asset, Equal to or 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	7	271
Financial Asset, Equal to or 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	1,198	275
Financial Asset, Equal to or 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	23	24
Financial Asset, Equal to or 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	1,672	2,365
Financial Asset, Equal to or 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	63	104
Financial Asset, Equal to or 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	282	341
Financial Asset, Equal to or 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
Financial Asset, Equal to or 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	0	0
Financial Asset, Equal to or 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	114	560
Financial Asset, Equal to or 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	$ 14	$ 13