Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	$ 2,486,537	$ 2,618,553
Total loans	2,475,954	2,606,113
Commercial & Industrial
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	575,045	608,572
Farmland
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	114,045	118,641
Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	342,211	351,107
Agriculture
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	123,568	146,480
All Other Commercial
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	310,402	305,636
First Liens
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	306,205	324,467
Home Equity
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	57,699	60,755
Junior Liens
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	51,134	54,176
Multifamily
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	106,564	151,042
All Other Residential
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	15,601	15,968
Motor Vehicle
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	450,506	450,112
All Other Consumer
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	$ 33,557	$ 31,597