Loans - Components of Loan Portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Balance
Total Loans Before Unearned Income	$ 1,528,966	$ 1,228,414
Unearned income	(3,476)	(3,146)
Total Loans Net of Unearned Income	$ 1,525,490	$ 1,225,268
As % of Category
Percent of category	100.00%	100.00%
Real Estate
Balance
Total Loans Before Unearned Income	$ 1,125,132	$ 944,986
As % of Category
Percent of category	73.60%	76.90%
Real Estate | Construction & land development
Balance
Total Loans Before Unearned Income	$ 172,247	$ 124,644
As % of Category
Percent of category	11.30%	10.10%
Real Estate | Farmland
Balance
Total Loans Before Unearned Income	$ 22,741	$ 18,401
As % of Category
Percent of category	1.50%	1.50%
Real Estate | 1- 4 Family
Balance
Total Loans Before Unearned Income	$ 289,635	$ 172,760
As % of Category
Percent of category	18.90%	14.10%
Real Estate | Multifamily
Balance
Total Loans Before Unearned Income	$ 23,973	$ 42,918
As % of Category
Percent of category	1.60%	3.50%
Real Estate | Non-farm non-residential
Balance
Total Loans Before Unearned Income	$ 616,536	$ 586,263
As % of Category
Percent of category	40.30%	47.70%
Non-Real Estate
Balance
Total Loans Before Unearned Income	$ 403,834	$ 283,428
As % of Category
Percent of category	26.40%	23.10%
Non-Real Estate | Agricultural
Balance
Total Loans Before Unearned Income	$ 26,710	$ 23,108
As % of Category
Percent of category	1.80%	1.90%
Non-Real Estate | Commercial and industrial
Balance
Total Loans Before Unearned Income	$ 268,256	$ 200,877
As % of Category
Percent of category	17.50%	16.40%
Non-Real Estate | Consumer and other
Balance
Total Loans Before Unearned Income	$ 108,868	$ 59,443
As % of Category
Percent of category	7.10%	4.80%