Loans and Allowance for Credit Losses - Summary of Gross Charge-offs by Origination Year and Loan Class (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
Gross Charge-offs by Origination Year, 2024		$ (10)
Gross Charge-offs by Origination Year, 2023	$ (12)	(6)
Gross Charge-offs by Origination Year, 2022	(250)	(2)
Gross Charge-offs by Origination Year, 2021	(119)	(183)
Gross Charge-offs by Origination Year, 2020	(1,198)	(1,523)
Gross Charge-offs by Origination Year, Prior Years	(1,542)	(139)
Total Charge-Offs	(3,121)	(1,863)
Non-Farm Non-Residential Non-Owner Occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Gross Charge-offs by Origination Year, Prior Years	(598)
Total Charge-Offs	(598)
Commercial & Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Gross Charge-offs by Origination Year, 2022	(233)
Gross Charge-offs by Origination Year, 2021	(104)	(181)
Gross Charge-offs by Origination Year, 2020	(1,198)	(1,523)
Gross Charge-offs by Origination Year, Prior Years	(944)	(120)
Total Charge-Offs	(2,479)	(1,824)
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Gross Charge-offs by Origination Year, Prior Years		(19)
Total Charge-Offs		(19)
Municipal and Other
Financing Receivable, Credit Quality Indicator [Line Items]
Gross Charge-offs by Origination Year, 2024		(10)
Gross Charge-offs by Origination Year, 2023	(12)	(6)
Gross Charge-offs by Origination Year, 2022	(17)	(2)
Gross Charge-offs by Origination Year, 2021	(15)	(2)
Total Charge-Offs	$ (44)	$ (20)