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Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	$ 2,016,962	$ 1,961,208
Financing Receivable, Past Due	14,272	16,682
Financing Receivable, Not Past Due	2,002,690	1,944,526
Total loans	2,006,911	1,951,063
Loans not rated	2,006,911
Commercial & Industrial
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	545,933	520,021
Financing Receivable, Past Due	2,030	1,782
Financing Receivable, Not Past Due	543,903	518,239
Total loans	544,164	518,410
Farmland
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	105,468	107,640
Financing Receivable, Past Due	2,266	2,659
Financing Receivable, Not Past Due	103,202	104,981
Total loans	103,841	105,756
Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	176,575	188,763
Financing Receivable, Past Due	219	57
Financing Receivable, Not Past Due	176,356	188,706
Total loans	176,125	188,333
Agriculture
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	144,255	148,733
Financing Receivable, Past Due	588	388
Financing Receivable, Not Past Due	143,667	148,345
Total loans	142,415	146,056
All Other Commercial
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	223,096	208,666
Financing Receivable, Past Due	235	33
Financing Receivable, Not Past Due	222,861	208,633
Total loans	221,738	207,797
First Liens
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	232,490	236,951
Financing Receivable, Past Due	2,756	5,267
Financing Receivable, Not Past Due	229,734	231,684
Total loans	231,621	236,147
Home Equity
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	40,034	39,651
Financing Receivable, Past Due	208	273
Financing Receivable, Not Past Due	39,826	39,378
Total loans	39,958	39,582
Junior Liens
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	50,262	49,531
Financing Receivable, Past Due	399	420
Financing Receivable, Not Past Due	49,863	49,111
Total loans	50,140	49,417
Multifamily
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	131,066	109,609
Financing Receivable, Past Due	38	0
Financing Receivable, Not Past Due	131,028	109,609
Total loans	130,705	109,378
All Other Residential
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	9,227	9,170
Financing Receivable, Past Due	0	24
Financing Receivable, Not Past Due	9,227	9,146
Total loans	9,192	9,146
Motor Vehicle
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	330,364	314,790
Financing Receivable, Past Due	5,378	5,552
Financing Receivable, Not Past Due	324,986	309,238
Total loans	328,960	313,490
All Other Consumer
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	28,192	27,683
Financing Receivable, Past Due	155	227
Financing Receivable, Not Past Due	28,037	27,456
Total loans	28,052	27,551
Pass
Analysis of risk category of loans by class of loans
Total loans	1,250,295	1,206,608
Pass | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	494,386	472,008
Pass | Farmland
Analysis of risk category of loans by class of loans
Total loans	91,240	90,367
Pass | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	162,910	170,757
Pass | Agriculture
Analysis of risk category of loans by class of loans
Total loans	110,708	118,952
Pass | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	214,312	198,302
Pass | First Liens
Analysis of risk category of loans by class of loans
Total loans	44,550	43,915
Pass | Home Equity
Analysis of risk category of loans by class of loans
Total loans	950	963
Pass | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	1,893	1,983
Pass | Multifamily
Analysis of risk category of loans by class of loans
Total loans	129,346	109,361
Pass | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	0	0
Pass | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	0	0
Pass | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	0	0
Special Mention
Analysis of risk category of loans by class of loans
Total loans	38,394	44,799
Special Mention | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	16,968	20,600
Special Mention | Farmland
Analysis of risk category of loans by class of loans
Total loans	3,639	7,587
Special Mention | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	6,901	5,442
Special Mention | Agriculture
Analysis of risk category of loans by class of loans
Total loans	3,922	10,010
Special Mention | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	4,401	43
Special Mention | First Liens
Analysis of risk category of loans by class of loans
Total loans	1,156	1,043
Special Mention | Home Equity
Analysis of risk category of loans by class of loans
Total loans	0	0
Special Mention | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	71	74
Special Mention | Multifamily
Analysis of risk category of loans by class of loans
Total loans	1,336	0
Special Mention | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	0	0
Special Mention | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	0	0
Special Mention | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	0	0
Substandard
Analysis of risk category of loans by class of loans
Total loans	70,959	64,562
Substandard | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	24,413	18,374
Substandard | Farmland
Analysis of risk category of loans by class of loans
Total loans	8,950	7,783
Substandard | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	6,187	10,439
Substandard | Agriculture
Analysis of risk category of loans by class of loans
Total loans	27,199	16,637
Substandard | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	52	6,777
Substandard | First Liens
Analysis of risk category of loans by class of loans
Total loans	3,285	3,504
Substandard | Home Equity
Analysis of risk category of loans by class of loans
Total loans	90	148
Substandard | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	159	224
Substandard | Multifamily
Analysis of risk category of loans by class of loans
Total loans	0	0
Substandard | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	14	15
Substandard | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	580	627
Substandard | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	30	34
Doubtful
Analysis of risk category of loans by class of loans
Total loans	76	76
Doubtful | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	0	0
Doubtful | Farmland
Analysis of risk category of loans by class of loans
Total loans	0	0
Doubtful | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	0	0
Doubtful | Agriculture
Analysis of risk category of loans by class of loans
Total loans	0	0
Doubtful | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	0	0
Doubtful | First Liens
Analysis of risk category of loans by class of loans
Total loans	0	0
Doubtful | Home Equity
Analysis of risk category of loans by class of loans
Total loans	0	0
Doubtful | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	76	76
Doubtful | Multifamily
Analysis of risk category of loans by class of loans
Total loans	0	0
Doubtful | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	0	0
Doubtful | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	0	0
Doubtful | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	0	0
Not Rated
Analysis of risk category of loans by class of loans
Total loans	647,187	635,018
Not Rated | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	8,397	7,428
Not Rated | Farmland
Analysis of risk category of loans by class of loans
Total loans	12	19
Not Rated | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	127	1,695
Not Rated | Agriculture
Analysis of risk category of loans by class of loans
Total loans	586	457
Not Rated | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	2,973	2,675
Not Rated | First Liens
Analysis of risk category of loans by class of loans
Total loans	182,630	187,685
Not Rated | Home Equity
Analysis of risk category of loans by class of loans
Total loans	38,918	38,471
Not Rated | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	47,941	47,060
Not Rated | Multifamily
Analysis of risk category of loans by class of loans
Total loans	23	17
Not Rated | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	9,178	9,131
Not Rated | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	328,380	312,863
Not Rated | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	$ 28,022	$ 27,517

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