Loans - Components of Loan Portfolio (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Balance
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
As % of Category
Percent of category	100.00%	100.00%
Real Estate
Balance
Total Loans Before Unearned Income	$ 1,134,870	$ 1,125,132
As % of Category
Percent of category	69.00%	73.60%
Real Estate | Construction & land development
Balance
Total Loans Before Unearned Income	$ 128,051	$ 172,247
As % of Category
Percent of category	7.80%	11.30%
Real Estate | Farmland
Balance
Total Loans Before Unearned Income	$ 25,691	$ 22,741
As % of Category
Percent of category	1.60%	1.50%
Real Estate | 1- 4 Family
Balance
Total Loans Before Unearned Income	$ 283,162	$ 289,635
As % of Category
Percent of category	17.20%	18.90%
Real Estate | Multifamily
Balance
Total Loans Before Unearned Income	$ 25,997	$ 23,973
As % of Category
Percent of category	1.60%	1.60%
Real Estate | Non-farm non-residential
Balance
Total Loans Before Unearned Income	$ 671,969	$ 616,536
As % of Category
Percent of category	40.80%	40.30%
Non-Real Estate
Balance
Total Loans Before Unearned Income	$ 511,590	$ 403,834
As % of Category
Percent of category	31.00%	26.40%
Non-Real Estate | Agricultural
Balance
Total Loans Before Unearned Income	$ 33,884	$ 26,710
As % of Category
Percent of category	2.00%	1.80%
Non-Real Estate | Commercial and industrial
Balance
Total Loans Before Unearned Income	$ 366,413	$ 268,256
As % of Category
Percent of category	22.30%	17.50%
Non-Real Estate | Consumer and other
Balance
Total Loans Before Unearned Income	$ 111,293	$ 108,868
As % of Category
Percent of category	6.70%	7.10%