Loans - Credit Exposure of Portfolio (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	$ 1,646,460	$ 1,528,966
Unearned income	(5,737)	(3,476)
Total Loans Net of Unearned Income	1,640,723	1,525,490
Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	1,565,122	1,451,811
Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	23,396	24,083
Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	57,942	53,072
Doubtful
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	0	0
Real Estate
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	1,134,870	1,125,132
Real Estate | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	1,066,481	1,059,248
Real Estate | Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	20,453	22,656
Real Estate | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	47,936	43,228
Real Estate | Doubtful
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	0	0
Real Estate | Construction & land development
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	128,051	172,247
Real Estate | Construction & land development | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	121,315	163,808
Real Estate | Construction & land development | Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	5,367	6,180
Real Estate | Construction & land development | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	1,369	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	25,691	22,741
Real Estate | Farmland | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	21,124	18,223
Real Estate | Farmland | Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	3,646	3,177
Real Estate | Farmland | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	921	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	283,162	289,635
Real Estate | 1- 4 Family | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	263,888	271,392
Real Estate | 1- 4 Family | Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	5,131	4,751
Real Estate | 1- 4 Family | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	14,143	13,492
Real Estate | 1- 4 Family | Doubtful
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	0	0
Real Estate | Multifamily
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	25,997	23,973
Real Estate | Multifamily | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	17,994	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	8,003	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	671,969	616,536
Real Estate | Non-farm non-residential | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	642,160	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	6,309	7,743
Real Estate | Non-farm non-residential | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	23,500	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	511,590	403,834
Non-Real Estate | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	498,641	392,563
Non-Real Estate | Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	2,943	1,427
Non-Real Estate | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	10,006	9,844
Non-Real Estate | Doubtful
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	0	0
Non-Real Estate | Agricultural
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	33,884	26,710
Non-Real Estate | Agricultural | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	27,710	21,529
Non-Real Estate | Agricultural | Special Mention
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	954	48
Non-Real Estate | Agricultural | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	5,220	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	366,413	268,256
Non-Real Estate | Commercial and industrial | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	360,220	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	1,763	1,199
Non-Real Estate | Commercial and industrial | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	4,430	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	111,293	108,868
Non-Real Estate | Consumer and other | Pass
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	110,711	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	226	180
Non-Real Estate | Consumer and other | Substandard
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	356	70
Non-Real Estate | Consumer and other | Doubtful
Credit exposure of loan portfolio by specific credit ratings [Abstract]
Total Loans Before Unearned Income	$ 0	$ 0