Loans - Credit Exposure of Portfolio (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	$ 1,547,654	$ 1,528,966
Unearned income	(3,522)	(3,476)
Total Loans Net of Unearned Income	1,544,132	1,525,490
Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	1,467,192	1,451,811
Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	25,510	24,083
Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	54,754	53,072
Doubtful
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	198	0
Real Estate
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	1,115,227	1,125,132
Real Estate | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	1,045,559	1,059,248
Real Estate | Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	23,694	22,656
Real Estate | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	45,777	43,228
Real Estate | Doubtful
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	197	0
Real Estate | Construction & land development
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	125,201	172,247
Real Estate | Construction & land development | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	116,288	163,808
Real Estate | Construction & land development | Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	5,832	6,180
Real Estate | Construction & land development | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	3,081	2,259
Real Estate | Construction & land development | Doubtful
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	0	0
Real Estate | Farmland
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	21,840	22,741
Real Estate | Farmland | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	17,597	18,223
Real Estate | Farmland | Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	3,353	3,177
Real Estate | Farmland | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	890	1,341
Real Estate | Farmland | Doubtful
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	0	0
Real Estate | 1- 4 Family
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	286,157	289,635
Real Estate | 1- 4 Family | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	267,109	271,392
Real Estate | 1- 4 Family | Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	5,603	4,751
Real Estate | 1- 4 Family | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	13,248	13,492
Real Estate | 1- 4 Family | Doubtful
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	197	0
Real Estate | Multifamily
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	27,948	23,973
Real Estate | Multifamily | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	19,969	16,025
Real Estate | Multifamily | Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	0	805
Real Estate | Multifamily | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	7,979	7,143
Real Estate | Multifamily | Doubtful
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	0	0
Real Estate | Non-farm non-residential
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	654,081	616,536
Real Estate | Non-farm non-residential | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	624,596	589,800
Real Estate | Non-farm non-residential | Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	8,906	7,743
Real Estate | Non-farm non-residential | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	20,579	18,993
Real Estate | Non-farm non-residential | Doubtful
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	0	0
Non-Real Estate
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	432,427	403,834
Non-Real Estate | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	421,633	392,563
Non-Real Estate | Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	1,816	1,427
Non-Real Estate | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	8,977	9,844
Non-Real Estate | Doubtful
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	1	0
Non-Real Estate | Agricultural
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	25,320	26,710
Non-Real Estate | Agricultural | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	19,898	21,529
Non-Real Estate | Agricultural | Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	620	48
Non-Real Estate | Agricultural | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	4,802	5,133
Non-Real Estate | Agricultural | Doubtful
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	0	0
Non-Real Estate | Commercial and industrial
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	298,185	268,256
Non-Real Estate | Commercial and industrial | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	293,277	262,416
Non-Real Estate | Commercial and industrial | Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	908	1,199
Non-Real Estate | Commercial and industrial | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	4,000	4,641
Non-Real Estate | Commercial and industrial | Doubtful
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	0	0
Non-Real Estate | Consumer and other
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	108,922	108,868
Non-Real Estate | Consumer and other | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	108,458	108,618
Non-Real Estate | Consumer and other | Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	288	180
Non-Real Estate | Consumer and other | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	175	70
Non-Real Estate | Consumer and other | Doubtful
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	$ 1	$ 0