Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	$ 2,651,323	$ 2,618,553
Financing Receivable, Past Due	15,892	25,726
Financing Receivable, Not Past Due	2,635,431	2,592,827
Total loans	2,640,828	2,606,113
Commercial & Industrial
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	698,269	608,572
Financing Receivable, Past Due	4,006	4,795
Financing Receivable, Not Past Due	694,263	603,777
Farmland
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	114,605	118,641
Financing Receivable, Past Due	87	113
Financing Receivable, Not Past Due	114,518	118,528
Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	348,624	351,107
Financing Receivable, Past Due	310	426
Financing Receivable, Not Past Due	348,314	350,681
Agriculture
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	112,120	146,480
Financing Receivable, Past Due	1,200	333
Financing Receivable, Not Past Due	110,920	146,147
All Other Commercial
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	304,673	305,636
Financing Receivable, Past Due	380	24
Financing Receivable, Not Past Due	304,293	305,612
First Liens
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	315,731	324,467
Financing Receivable, Past Due	6,217	9,737
Financing Receivable, Not Past Due	309,514	314,730
Home Equity
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	59,124	60,755
Financing Receivable, Past Due	178	393
Financing Receivable, Not Past Due	58,946	60,362
Junior Liens
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	52,566	54,176
Financing Receivable, Past Due	604	830
Financing Receivable, Not Past Due	51,962	53,346
Multifamily
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	150,123	151,042
Financing Receivable, Past Due	0	0
Financing Receivable, Not Past Due	150,123	151,042
All Other Residential
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	16,036	15,968
Financing Receivable, Past Due	56	50
Financing Receivable, Not Past Due	15,980	15,918
Motor Vehicle
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	449,190	450,112
Financing Receivable, Past Due	2,701	8,829
Financing Receivable, Not Past Due	446,489	441,283
All Other Consumer
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	30,262	31,597
Financing Receivable, Past Due	153	196
Financing Receivable, Not Past Due	$ 30,109	$ 31,401