Loans and Allowance for Credit Losses - Summary of Loans by Risk Grades, Loan Class and Vintage (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 3,213,326	$ 3,107,551
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	3,182,029	3,077,244
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	9,551	12,985
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	21,689	17,322
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	57
Real Estate | Non-Farm Non-Residential Owner Occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2023	11,157	183,187
2022	182,662	128,140
2021	137,894	78,148
2020	77,945	45,289
2019	44,513	27,429
Prior Years	49,914	27,335
Revolving Loans Amortized Cost Basis	4,851	4,263
Total loans	508,936	493,791
Real Estate | Non-Farm Non-Residential Owner Occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	11,000	182,294
2022	182,131	125,782
2021	136,171	78,148
2020	77,945	43,076
2019	42,322	27,010
Prior Years	49,229	27,060
Revolving Loans Amortized Cost Basis	4,851	4,263
Total loans	503,649	487,633
Real Estate | Non-Farm Non-Residential Owner Occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2023	157
2022		1,885
2021	716
Total loans	873	1,885
Real Estate | Non-Farm Non-Residential Owner Occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023		893
2022	531	473
2021	1,007
2020		2,213
2019	2,191	419
Prior Years	685	275
Total loans	4,414	4,273
Real Estate | Non-Farm Non-Residential Non-Owner Occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2023	11,860	188,854
2022	188,941	198,076
2021	199,694	39,293
2020	34,298	26,251
2019	25,905	20,850
Prior Years	42,106	22,711
Revolving Loans Amortized Cost Basis	8,742	9,977
Total loans	511,546	506,012
Real Estate | Non-Farm Non-Residential Non-Owner Occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	11,860	188,662
2022	188,659	197,972
2021	199,694	39,065
2020	34,075	21,051
2019	20,738	20,850
Prior Years	40,814	21,410
Revolving Loans Amortized Cost Basis	8,742	9,977
Total loans	504,582	498,987
Real Estate | Non-Farm Non-Residential Non-Owner Occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2021		228
2020	223
Total loans	223	228
Real Estate | Non-Farm Non-Residential Non-Owner Occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023		192
2022	282	104
2020		5,200
2019	5,167
Prior Years	1,292	1,301
Total loans	6,741	6,797
Real Estate | Residential
Financing Receivable, Credit Quality Indicator [Line Items]
2023	26,561	121,652
2022	119,377	131,802
2021	91,457	23,149
2020	22,465	13,534
2019	12,207	6,115
Prior Years	12,941	8,966
Revolving Loans Amortized Cost Basis	1,350	3,557
Total loans	286,358	308,775
Real Estate | Residential | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	26,561	121,652
2022	119,377	130,924
2021	90,589	23,149
2020	22,465	13,534
2019	12,207	6,115
Prior Years	12,928	8,950
Revolving Loans Amortized Cost Basis	1,350	3,557
Total loans	285,477	307,881
Real Estate | Residential | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2022		878
2021	868
Prior Years	13	16
Total loans	881	894
Real Estate | Construction, Development & Other
Financing Receivable, Credit Quality Indicator [Line Items]
2023	46,455	113,301
2022	104,040	119,192
2021	65,590	1,236
2020	806	291
2019	275	70
Prior Years	608	634
Revolving Loans Amortized Cost Basis	409,369	333,127
Total loans	627,143	567,851
Real Estate | Construction, Development & Other | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	46,455	113,261
2022	104,006	110,572
2021	59,154	1,236
2020	806	291
2019	275	70
Prior Years	603	629
Revolving Loans Amortized Cost Basis	409,369	333,127
Total loans	620,668	559,186
Real Estate | Construction, Development & Other | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2022		8,620
2021	6,436
Total loans	6,436	8,620
Real Estate | Construction, Development & Other | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023		40
2022	34
Prior Years	5	5
Total loans	39	45
Real Estate | Farmland
Financing Receivable, Credit Quality Indicator [Line Items]
2023		12,671
2022	12,520	2,736
2021	2,693	1,233
2020	864	3,820
2019	3,769	1,216
Prior Years	2,073	553
Revolving Loans Amortized Cost Basis	593	591
Total loans	22,512	22,820
Real Estate | Farmland | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023		12,671
2022	12,520	2,736
2021	2,693	1,233
2020	864	3,820
2019	3,769	1,216
Prior Years	2,073	553
Revolving Loans Amortized Cost Basis	593	591
Total loans	22,512	22,820
Commercial & Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2023	94,001	404,623
2022	410,851	180,078
2021	182,294	35,805
2020	26,069	22,242
2019	19,948	5,049
Prior Years	5,704	1,509
Revolving Loans Amortized Cost Basis	373,771	409,604
Total loans	1,112,638	1,058,910
Current period gross charge-offs, Prior Years	(120)	(462)
Current period gross charge-offs, revolving loans amortized cost basis		(752)
Current period gross charge-offs	(120)	(1,214)
Commercial & Industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	94,001	402,799
2022	409,475	177,599
2021	179,889	34,531
2020	24,793	20,509
2019	18,216	4,929
Prior Years	5,602	1,394
Revolving Loans Amortized Cost Basis	368,972	409,604
Total loans	1,100,948	1,051,365
Commercial & Industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2023		1,329
2022	133	700
2021		132
Prior Years	82	91
Revolving Loans Amortized Cost Basis	1,804
Total loans	2,019	2,252
Commercial & Industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023		495
2022	1,243	1,779
2021	2,405	1,142
2020	1,276	1,733
2019	1,675	120
Prior Years	20	24
Revolving Loans Amortized Cost Basis	2,995
Total loans	9,614	5,293
Commercial & Industrial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2019	57
Total loans	57
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1,176	1,550
2022	988	1,224
2021	250	338
2020	293	199
2019	171	25
Prior Years	399	113
Revolving Loans Amortized Cost Basis	3	423
Total loans	3,280	3,872
Current period gross charge-offs, Prior Years	(21)
Current period gross charge-offs	(21)
Consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1,176	1,550
2022	988	1,224
2021	250	338
2020	293	199
2019	171	25
Prior Years	399	93
Revolving Loans Amortized Cost Basis	3	423
Total loans	3,280	3,852
Consumer | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Prior Years		20
Total loans		20
Municipal and Other
Financing Receivable, Credit Quality Indicator [Line Items]
2023	26,784	75,817
2022	50,657	25,703
2021	30,329	7,542
2020	6,617	2,841
2019	2,212	412
Prior Years	237
Revolving Loans Amortized Cost Basis	24,077	33,205
Total loans	140,913	145,520
Current period gross charge-offs, 2022		(18)
Current period gross charge-offs		(18)
Municipal and Other | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	26,784	75,817
2022	50,657	25,703
2021	30,329	7,542
2020	6,617	2,841
2019	2,212	412
Prior Years	237
Revolving Loans Amortized Cost Basis	24,077	33,205
Total loans	$ 140,913	$ 145,520