Business Combinations - Unaudited Pro Forma Condensed Combined Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Business Acquisition [Line Items]
Net interest income		$ 38,237
Provision for loan losses		12,136
Non-interest income		17,749
Non-interest expense		37,659
Income before taxes		6,191
Income tax expense (benefit)		1,078
Net income (loss)		$ 5,113
Earnings per share
Basic		$ 0.30
Diluted		$ 0.29
Basic weighted average shares o/s		17,299,927
Diluted weighted average shares o/s		17,352,947
Delta Bancshare Company
Business Acquisition [Line Items]
Net interest income	$ 44,200	$ 40,966
Provision for loan losses	2,952	14,136
Non-interest income	21,088	18,528
Non-interest expense	40,575	39,653
Income before taxes	21,761	5,705
Income tax expense (benefit)	4,797	887
Net income (loss)	$ 16,964	$ 4,818
Earnings per share
Basic	$ 0.88	$ 0.28
Diluted	$ 0.88	$ 0.28
Basic weighted average shares o/s	19,295,860	17,299,927
Diluted weighted average shares o/s	19,358,457	17,352,947