Loans, Credit Exposure of Portfolio (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	$ 1,176,944	$ 1,151,497
Unearned income	(2,803)	(2,483)
Total loans net of unearned income	1,174,141	1,149,014
Pass [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	1,118,282	1,071,513
Special Mention [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	12,396	25,929
Substandard [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	45,725	49,495
Doubtful [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	541	4,560
Real Estate [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	893,620	844,160
Real Estate [Member] | Pass [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	843,218	802,516
Real Estate [Member] | Special Mention [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	11,923	5,679
Real Estate [Member] | Substandard [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	37,938	35,965
Real Estate [Member] | Doubtful [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	541	0
Real Estate [Member] | Construction & Land Development [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	91,654	112,603
Real Estate [Member] | Construction & Land Development [Member] | Pass [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	88,587	108,200
Real Estate [Member] | Construction & Land Development [Member] | Special Mention [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	129	125
Real Estate [Member] | Construction & Land Development [Member] | Substandard [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	2,938	4,278
Real Estate [Member] | Construction & Land Development [Member] | Doubtful [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	0	0
Real Estate [Member] | Farmland [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	24,448	25,691
Real Estate [Member] | Farmland [Member] | Pass [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	20,186	25,030
Real Estate [Member] | Farmland [Member] | Special Mention [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	3,582	569
Real Estate [Member] | Farmland [Member] | Substandard [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	680	92
Real Estate [Member] | Farmland [Member] | Doubtful [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	0	0
Real Estate [Member] | 1 - 4 Family [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	164,841	158,733
Real Estate [Member] | 1 - 4 Family [Member] | Pass [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	154,371	149,426
Real Estate [Member] | 1 - 4 Family [Member] | Special Mention [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	2,105	1,856
Real Estate [Member] | 1 - 4 Family [Member] | Substandard [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	8,365	7,451
Real Estate [Member] | 1 - 4 Family [Member] | Doubtful [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	0	0
Real Estate [Member] | Multifamily [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	43,118	16,840
Real Estate [Member] | Multifamily [Member] | Pass [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	36,340	9,366
Real Estate [Member] | Multifamily [Member] | Special Mention [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	0	639
Real Estate [Member] | Multifamily [Member] | Substandard [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	6,778	6,835
Real Estate [Member] | Multifamily [Member] | Doubtful [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	0	0
Real Estate [Member] | Non-Farm Non-Residential [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	569,559	530,293
Real Estate [Member] | Non-Farm Non-Residential [Member] | Pass [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	543,734	510,494
Real Estate [Member] | Non-Farm Non-Residential [Member] | Special Mention [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	6,107	2,490
Real Estate [Member] | Non-Farm Non-Residential [Member] | Substandard [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	19,177	17,309
Real Estate [Member] | Non-Farm Non-Residential [Member] | Doubtful [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	541	0
Non-Real Estate [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	283,324	307,337
Non-Real Estate [Member] | Pass [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	275,064	268,997
Non-Real Estate [Member] | Special Mention [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	473	20,250
Non-Real Estate [Member] | Substandard [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	7,787	13,530
Non-Real Estate [Member] | Doubtful [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	0	4,560
Non-Real Estate [Member] | Agricultural [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	26,517	21,514
Non-Real Estate [Member] | Agricultural [Member] | Pass [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	23,729	19,050
Non-Real Estate [Member] | Agricultural [Member] | Special Mention [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	105	995
Non-Real Estate [Member] | Agricultural [Member] | Substandard [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	2,683	1,469
Non-Real Estate [Member] | Agricultural [Member] | Doubtful [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	0	0
Non-Real Estate [Member] | Commercial and Industrial [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	200,349	230,638
Non-Real Estate [Member] | Commercial and Industrial [Member] | Pass [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	195,250	201,722
Non-Real Estate [Member] | Commercial and Industrial [Member] | Special Mention [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	220	19,187
Non-Real Estate [Member] | Commercial and Industrial [Member] | Substandard [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	4,879	5,169
Non-Real Estate [Member] | Commercial and Industrial [Member] | Doubtful [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	0	4,560
Non-Real Estate [Member] | Consumer and Other [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	56,458	55,185
Non-Real Estate [Member] | Consumer and Other [Member] | Pass [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	56,085	48,225
Non-Real Estate [Member] | Consumer and Other [Member] | Special Mention [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	148	68
Non-Real Estate [Member] | Consumer and Other [Member] | Substandard [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	225	6,892
Non-Real Estate [Member] | Consumer and Other [Member] | Doubtful [Member]
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Loans before unearned income	$ 0	$ 0