Loans and Allowance for Credit Losses - Summary of Allowance for Credit Losses on Loans by Portfolio Segment (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2023	Mar. 31, 2023	Jan. 01, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	$ 38,211	$ 38,140	$ 37,022	$ 37,243	$ 35,915	$ 30,351	$ 30,351
Modeled Expected Credit Losses
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	16,292		17,094
Q-Factor and Other Qualitative Adjustments
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	19,451		15,532
Specific Allocations
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	2,468		4,396
Real Estate | Non-Farm Non-Residential Owner Occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	4,712	4,295	4,311	5,223	5,276		3,773
Real Estate | Non-Farm Non-Residential Owner Occupied | Modeled Expected Credit Losses
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	2,125		2,324
Real Estate | Non-Farm Non-Residential Owner Occupied | Q-Factor and Other Qualitative Adjustments
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	2,199		1,952
Real Estate | Non-Farm Non-Residential Owner Occupied | Specific Allocations
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	388		35
Real Estate | Non-Farm Non-Residential Non-Owner Occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	5,257	5,211	5,541	8,775	8,388		5,741
Real Estate | Non-Farm Non-Residential Non-Owner Occupied | Modeled Expected Credit Losses
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	2,481		2,569
Real Estate | Non-Farm Non-Residential Non-Owner Occupied | Q-Factor and Other Qualitative Adjustments
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	2,776		2,321
Real Estate | Non-Farm Non-Residential Non-Owner Occupied | Specific Allocations
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses			651
Real Estate | Residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	2,490	2,142	2,341	2,142	2,071		1,064
Real Estate | Residential | Modeled Expected Credit Losses
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	1,478		1,474
Real Estate | Residential | Q-Factor and Other Qualitative Adjustments
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	1,012		867
Real Estate | Construction, Development & Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	6,436	5,676	5,853	4,312	5,297		3,053
Real Estate | Construction, Development & Other | Modeled Expected Credit Losses
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	3,421		3,557
Real Estate | Construction, Development & Other | Q-Factor and Other Qualitative Adjustments
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	3,013		2,296
Real Estate | Construction, Development & Other | Specific Allocations
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	2
Real Estate | Farmland
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	237	211	244	97	93		82
Real Estate | Farmland | Modeled Expected Credit Losses
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	151		166
Real Estate | Farmland | Q-Factor and Other Qualitative Adjustments
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	86		78
Commercial & Industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	18,286	19,633	17,617	15,722	14,490	16,269	16,269
Commercial & Industrial | Modeled Expected Credit Losses
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	6,263		6,400
Commercial & Industrial | Q-Factor and Other Qualitative Adjustments
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	9,945		7,507
Commercial & Industrial | Specific Allocations
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	2,078		3,710
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	14	12	14	10	9	6	6
Consumer | Modeled Expected Credit Losses
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	8		8
Consumer | Q-Factor and Other Qualitative Adjustments
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	6		6
Municipal and Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	779	$ 960	1,101	$ 962	$ 291	$ 363	$ 363
Municipal and Other | Modeled Expected Credit Losses
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	365		596
Municipal and Other | Q-Factor and Other Qualitative Adjustments
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit losses	$ 414		$ 505