Loans Receivable and Allowance for Credit Losses - Schedule of Aging of Recorded Investment in Past Due Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Loans receivable	$ 4,468,476	$ 4,275,178
30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	3,980	4,940
60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	3,231	961
Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	8,298	6,307
Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	15,509	12,208
Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	4,452,967	4,262,970
Farmland
Financing Receivable, Past Due [Line Items]
Loans receivable	31,869	32,168
Farmland | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Farmland | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	182	0
Farmland | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	129	1,136
Farmland | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	311	1,136
Farmland | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	31,558	31,032
Owner-occupied, nonfarm nonresidential properties
Financing Receivable, Past Due [Line Items]
Loans receivable	493,064	468,493
Owner-occupied, nonfarm nonresidential properties | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	120	185
Owner-occupied, nonfarm nonresidential properties | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	27
Owner-occupied, nonfarm nonresidential properties | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	1,390	734
Owner-occupied, nonfarm nonresidential properties | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	1,510	946
Owner-occupied, nonfarm nonresidential properties | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	491,554	467,547
Agricultural production and other loans to farmers
Financing Receivable, Past Due [Line Items]
Loans receivable	1,652	1,198
Agricultural production and other loans to farmers | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Agricultural production and other loans to farmers | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Agricultural production and other loans to farmers | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Agricultural production and other loans to farmers | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Agricultural production and other loans to farmers | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	1,652	1,198
Commercial and Industrial
Financing Receivable, Past Due [Line Items]
Loans receivable	726,442	791,911
Commercial and Industrial | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	64	246
Commercial and Industrial | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	379	93
Commercial and Industrial | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	314	611
Commercial and Industrial | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	757	950
Commercial and Industrial | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	725,685	790,961
Obligations (other than securities and leases) of states and political subdivisions
Financing Receivable, Past Due [Line Items]
Loans receivable	152,201	145,345
Obligations (other than securities and leases) of states and political subdivisions | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Obligations (other than securities and leases) of states and political subdivisions | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Obligations (other than securities and leases) of states and political subdivisions | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Obligations (other than securities and leases) of states and political subdivisions | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Obligations (other than securities and leases) of states and political subdivisions | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	152,201	145,345
Other loans
Financing Receivable, Past Due [Line Items]
Loans receivable	25,507	24,710
Other loans | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Other loans | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Other loans | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Other loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Other loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	25,507	24,710
Other construction loans and all land development and other land loans
Financing Receivable, Past Due [Line Items]
Loans receivable	491,539	446,685
Other construction loans and all land development and other land loans | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	1,522
Other construction loans and all land development and other land loans | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	41	0
Other construction loans and all land development and other land loans | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	1,612	501
Other construction loans and all land development and other land loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	1,653	2,023
Other construction loans and all land development and other land loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	489,886	444,662
Multifamily (5 or more) residential properties
Financing Receivable, Past Due [Line Items]
Loans receivable	254,342	257,696
Multifamily (5 or more) residential properties | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	706
Multifamily (5 or more) residential properties | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Multifamily (5 or more) residential properties | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	305	90
Multifamily (5 or more) residential properties | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	305	796
Multifamily (5 or more) residential properties | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	254,037	256,900
Non-owner occupied, nonfarm nonresidential properties
Financing Receivable, Past Due [Line Items]
Loans receivable	896,043	795,315
Non-owner occupied, nonfarm nonresidential properties | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	95	113
Non-owner occupied, nonfarm nonresidential properties | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	299	60
Non-owner occupied, nonfarm nonresidential properties | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	2,031	879
Non-owner occupied, nonfarm nonresidential properties | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	2,425	1,052
Non-owner occupied, nonfarm nonresidential properties | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	893,618	794,263
1-4 Family Construction
Financing Receivable, Past Due [Line Items]
Loans receivable	51,207	51,171
1-4 Family Construction | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
1-4 Family Construction | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
1-4 Family Construction | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
1-4 Family Construction | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
1-4 Family Construction | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	51,207	51,171
Home equity lines of credit
Financing Receivable, Past Due [Line Items]
Loans receivable	130,700	124,892
Home equity lines of credit | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	582	203
Home equity lines of credit | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	682	10
Home equity lines of credit | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	339	49
Home equity lines of credit | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	1,603	262
Home equity lines of credit | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	129,097	124,630
Residential Mortgages secured by first liens
Financing Receivable, Past Due [Line Items]
Loans receivable	990,986	942,531
Residential Mortgages secured by first liens | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	2,360	1,302
Residential Mortgages secured by first liens | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	1,094	538
Residential Mortgages secured by first liens | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	1,651	1,775
Residential Mortgages secured by first liens | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	5,105	3,615
Residential Mortgages secured by first liens | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	985,881	938,916
Residential Mortgages secured by junior liens
Financing Receivable, Past Due [Line Items]
Loans receivable	91,063	74,638
Residential Mortgages secured by junior liens | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	21	5
Residential Mortgages secured by junior liens | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	38	0
Residential Mortgages secured by junior liens | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	60	51
Residential Mortgages secured by junior liens | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	119	56
Residential Mortgages secured by junior liens | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	90,944	74,582
Other revolving credit plans
Financing Receivable, Past Due [Line Items]
Loans receivable	42,877	36,372
Other revolving credit plans | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	114	65
Other revolving credit plans | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	41	27
Other revolving credit plans | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	14	0
Other revolving credit plans | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	169	92
Other revolving credit plans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	42,708	36,280
Automobile
Financing Receivable, Past Due [Line Items]
Loans receivable	25,315	21,806
Automobile | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	62	36
Automobile | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	5	0
Automobile | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	67	0
Automobile | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	134	36
Automobile | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	25,181	21,770
Other consumer
Financing Receivable, Past Due [Line Items]
Loans receivable	51,592	49,144
Other consumer | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	452	361
Other consumer | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	453	188
Other consumer | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	354	473
Other consumer | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	1,259	1,022
Other consumer | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	50,333	48,122
Credit cards
Financing Receivable, Past Due [Line Items]
Loans receivable	11,785	10,825
Credit cards | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	110	196
Credit cards | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	17	18
Credit cards | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	32	8
Credit cards | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	159	222
Credit cards | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	11,626	10,603
Overdrafts
Financing Receivable, Past Due [Line Items]
Loans receivable	292	278
Overdrafts | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Overdrafts | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Overdrafts | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Overdrafts | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	0	0
Overdrafts | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable	$ 292	$ 278