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Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	$ 1,840,101	$ 1,845,040
Financing Receivable, Recorded Investment, Past Due	11,594	15,501
Financing Receivable, Recorded Investment, Current	1,828,507	1,829,539
Total loans	1,831,831	1,835,974
Loans not rated	1,831,831
Commercial & Industrial
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	490,165	476,089
Financing Receivable, Recorded Investment, Past Due	1,617	1,683
Financing Receivable, Recorded Investment, Current	488,548	474,406
Total loans	488,889	474,904
Farmland
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	108,134	111,200
Financing Receivable, Recorded Investment, Past Due	1,007	303
Financing Receivable, Recorded Investment, Current	107,127	110,897
Total loans	106,694	109,185
Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	191,979	195,488
Financing Receivable, Recorded Investment, Past Due	111	368
Financing Receivable, Recorded Investment, Current	191,868	195,120
Total loans	191,584	195,085
Agriculture
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	137,017	151,772
Financing Receivable, Recorded Investment, Past Due	449	713
Financing Receivable, Recorded Investment, Current	136,568	151,059
Total loans	134,894	149,535
All Other Commercial
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	181,322	178,186
Financing Receivable, Recorded Investment, Past Due	19	15
Financing Receivable, Recorded Investment, Current	181,303	178,171
Total loans	180,611	177,473
First Liens
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	262,778	270,778
Financing Receivable, Recorded Investment, Past Due	4,534	6,332
Financing Receivable, Recorded Investment, Current	258,244	264,446
Total loans	261,995	269,948
Home Equity
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	34,985	36,059
Financing Receivable, Recorded Investment, Past Due	144	277
Financing Receivable, Recorded Investment, Current	34,841	35,782
Total loans	34,927	36,003
Junior Liens
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	38,234	37,407
Financing Receivable, Recorded Investment, Past Due	380	495
Financing Receivable, Recorded Investment, Current	37,854	36,912
Total loans	38,145	37,315
Multifamily
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	73,407	67,799
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivable, Recorded Investment, Current	73,407	67,799
Total loans	73,253	67,643
All Other Residential
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	12,676	13,036
Financing Receivable, Recorded Investment, Past Due	74	54
Financing Receivable, Recorded Investment, Current	12,602	12,982
Total loans	12,643	13,002
Motor Vehicle
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	285,935	282,697
Financing Receivable, Recorded Investment, Past Due	3,153	5,093
Financing Receivable, Recorded Investment, Current	282,782	277,604
Total loans	284,826	281,465
All Other Consumer
Analysis of risk category of loans by class of loans
Financing Receivable Recorded Investment	23,469	24,529
Financing Receivable, Recorded Investment, Past Due	106	168
Financing Receivable, Recorded Investment, Current	23,363	24,361
Total loans	23,370	24,416
Pass
Analysis of risk category of loans by class of loans
Total loans	1,109,577	1,092,587
Pass | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	443,015	427,262
Pass | Farmland
Analysis of risk category of loans by class of loans
Total loans	96,199	95,115
Pass | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	170,406	172,739
Pass | Agriculture
Analysis of risk category of loans by class of loans
Total loans	109,224	121,983
Pass | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	170,558	163,492
Pass | First Liens
Analysis of risk category of loans by class of loans
Total loans	44,895	43,674
Pass | Home Equity
Analysis of risk category of loans by class of loans
Total loans	344	363
Pass | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	1,786	1,826
Pass | Multifamily
Analysis of risk category of loans by class of loans
Total loans	73,150	66,133
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	44,473	47,868
Special Mention | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	16,559	16,286
Special Mention | Farmland
Analysis of risk category of loans by class of loans
Total loans	6,256	8,300
Special Mention | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	5,101	5,745
Special Mention | Agriculture
Analysis of risk category of loans by class of loans
Total loans	14,404	13,885
Special Mention | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	383	596
Special Mention | First Liens
Analysis of risk category of loans by class of loans
Total loans	1,687	1,541
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	83	85
Special Mention | Multifamily
Analysis of risk category of loans by class of loans
Total loans	0	1,430
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	66,871	74,699
Substandard | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	22,812	25,177
Substandard | Farmland
Analysis of risk category of loans by class of loans
Total loans	4,208	5,238
Substandard | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	16,077	16,601
Substandard | Agriculture
Analysis of risk category of loans by class of loans
Total loans	10,978	12,301
Substandard | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	8,047	10,058
Substandard | First Liens
Analysis of risk category of loans by class of loans
Total loans	3,837	4,466
Substandard | Home Equity
Analysis of risk category of loans by class of loans
Total loans	78	86
Substandard | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	369	401
Substandard | Multifamily
Analysis of risk category of loans by class of loans
Total loans	0	15
Substandard | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	33	0
Substandard | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	410	331
Substandard | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	22	25
Doubtful
Analysis of risk category of loans by class of loans
Total loans	556	569
Doubtful | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	437	449
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	76	76
Doubtful | First Liens
Analysis of risk category of loans by class of loans
Total loans	18	18
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	25	26
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	610,354	620,251
Not Rated | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans	6,066	5,730
Not Rated | Farmland
Analysis of risk category of loans by class of loans
Total loans	31	532
Not Rated | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans	0	0
Not Rated | Agriculture
Analysis of risk category of loans by class of loans
Total loans	288	1,366
Not Rated | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans	1,547	3,251
Not Rated | First Liens
Analysis of risk category of loans by class of loans
Total loans	211,558	220,249
Not Rated | Home Equity
Analysis of risk category of loans by class of loans
Total loans	34,505	35,554
Not Rated | Junior Liens
Analysis of risk category of loans by class of loans
Total loans	35,882	34,977
Not Rated | Multifamily
Analysis of risk category of loans by class of loans
Total loans	103	65
Not Rated | All Other Residential
Analysis of risk category of loans by class of loans
Total loans	12,610	13,002
Not Rated | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans	284,416	281,134
Not Rated | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans	$ 23,348	$ 24,391

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