LHFI and ACL, LHFI - Summary of Amortized Cost Basis of Loans by Credit Quality Indicator (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	$ 3,495,006	$ 2,729,685
Term Loans by Origination Year, 2020	1,956,255	2,007,251
Term Loans by Origination Year, 2019	1,263,132	1,283,113
Term Loans by Origination Year, 2018	628,618	697,511
Term Loans by Origination Year, 2017	431,022	749,451
Term Loans by Origination Year, Prior to 2017	1,184,453	1,136,893
Financing Receivable, Revolving Loans	1,289,343	1,220,620
Total LHFI	10,247,829	9,824,524
Past Due 90 Days or More [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	15,819	9,552
Commercial and Industrial Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	1,414,279	1,309,078
Commercial and Industrial Loans [Member] | Past Due 90 Days or More [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	1,107	1,543
State and Other Political Subdivision Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	1,146,251	1,000,776
State and Other Political Subdivision Loans [Member] | Past Due 90 Days or More [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	177	177
Other Commercial Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	534,843	525,123
Other Commercial Loans [Member] | Past Due 90 Days or More [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	118	346
Consumer Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	162,555	164,386
Consumer Loans [Member] | Past Due 90 Days or More [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	305	240
Loans Secured by Real Estate [Member] | Construction, Land Development and Other Land [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	596,968	514,056
Loans Secured by Real Estate [Member] | Other Secured by 1-4 Family Residential Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	517,683	524,732
Loans Secured by Real Estate [Member] | Other Real Estate Secured [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	726,043	1,065,964
Loans Secured by Real Estate [Member] | Secured by Nonfarm, Nonresidential Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	2,977,084	2,709,026
Loans Secured by Real Estate [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Past Due 90 Days or More [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	1,442	972
Other Loans Secured by Real Estate [Member] | Other Construction [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	711,813	794,983
Other Loans Secured by Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	1,460,310	1,216,400
Commercial LHFI [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	2,732,070	2,304,725
Term Loans by Origination Year, 2020	1,665,887	1,731,911
Term Loans by Origination Year, 2019	1,105,778	1,072,826
Term Loans by Origination Year, 2018	505,169	593,152
Term Loans by Origination Year, 2017	367,347	634,209
Term Loans by Origination Year, Prior to 2017	879,827	791,222
Financing Receivable, Revolving Loans	882,970	814,179
Total LHFI	8,139,048	7,942,224
Commercial LHFI [Member] | Commercial and Industrial Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	518,266	457,222
Term Loans by Origination Year, 2020	250,920	167,117
Term Loans by Origination Year, 2019	75,636	87,348
Term Loans by Origination Year, 2018	35,179	81,720
Term Loans by Origination Year, 2017	59,301	61,323
Term Loans by Origination Year, Prior to 2017	36,273	48,242
Financing Receivable, Revolving Loans	438,704	406,106
Total LHFI	1,414,279	1,309,078
Commercial LHFI [Member] | Commercial and Industrial Loans [Member] | Pass - RR 1 through RR 6 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	503,073	444,304
Term Loans by Origination Year, 2020	249,171	165,163
Term Loans by Origination Year, 2019	74,239	77,611
Term Loans by Origination Year, 2018	33,403	77,985
Term Loans by Origination Year, 2017	50,016	59,131
Term Loans by Origination Year, Prior to 2017	35,883	43,214
Financing Receivable, Revolving Loans	400,423	372,486
Total LHFI	1,346,208	1,239,894
Commercial LHFI [Member] | Commercial and Industrial Loans [Member] | Special Mention - RR 7 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	643	677
Term Loans by Origination Year, 2020	365	45
Term Loans by Origination Year, 2019	147
Term Loans by Origination Year, 2018	550
Term Loans by Origination Year, 2017	48
Financing Receivable, Revolving Loans	99	240
Total LHFI	1,852	962
Commercial LHFI [Member] | Commercial and Industrial Loans [Member] | Substandard - RR 8 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	14,530	12,090
Term Loans by Origination Year, 2020	1,338	1,814
Term Loans by Origination Year, 2019	1,221	9,737
Term Loans by Origination Year, 2018	1,119	3,735
Term Loans by Origination Year, 2017	9,237	2,160
Term Loans by Origination Year, Prior to 2017	386	5,024
Financing Receivable, Revolving Loans	38,182	33,380
Total LHFI	66,013	67,940
Commercial LHFI [Member] | Commercial and Industrial Loans [Member] | Doubtful - RR 9 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	20	151
Term Loans by Origination Year, 2020	46	95
Term Loans by Origination Year, 2019	29
Term Loans by Origination Year, 2018	107
Term Loans by Origination Year, 2017		32
Term Loans by Origination Year, Prior to 2017	4	4
Total LHFI	206	282
Commercial LHFI [Member] | State and Other Political Subdivision Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	381,317	250,363
Term Loans by Origination Year, 2020	148,156	79,595
Term Loans by Origination Year, 2019	56,987	41,334
Term Loans by Origination Year, 2018	30,558	114,064
Term Loans by Origination Year, 2017	95,491	132,634
Term Loans by Origination Year, Prior to 2017	425,333	381,340
Financing Receivable, Revolving Loans	8,409	1,446
Total LHFI	1,146,251	1,000,776
Commercial LHFI [Member] | State and Other Political Subdivision Loans [Member] | Pass - RR 1 through RR 6 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	381,317	250,363
Term Loans by Origination Year, 2020	148,156	79,595
Term Loans by Origination Year, 2019	56,987	41,334
Term Loans by Origination Year, 2018	30,558	113,817
Term Loans by Origination Year, 2017	95,491	132,634
Term Loans by Origination Year, Prior to 2017	418,319	372,831
Financing Receivable, Revolving Loans	8,409	1,446
Total LHFI	1,139,237	992,020
Commercial LHFI [Member] | State and Other Political Subdivision Loans [Member] | Special Mention - RR 7 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Prior to 2017	3,350	4,018
Total LHFI	3,350	4,018
Commercial LHFI [Member] | State and Other Political Subdivision Loans [Member] | Substandard - RR 8 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2018		247
Term Loans by Origination Year, Prior to 2017	3,664	4,491
Total LHFI	3,664	4,738
Commercial LHFI [Member] | Other Commercial Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	112,095	109,113
Term Loans by Origination Year, 2020	45,392	73,089
Term Loans by Origination Year, 2019	64,953	21,452
Term Loans by Origination Year, 2018	8,855	9,729
Term Loans by Origination Year, 2017	7,924	34,188
Term Loans by Origination Year, Prior to 2017	41,135	30,738
Financing Receivable, Revolving Loans	254,489	246,814
Total LHFI	534,843	525,123
Commercial LHFI [Member] | Other Commercial Loans [Member] | Pass - RR 1 through RR 6 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	103,504	101,230
Term Loans by Origination Year, 2020	38,661	70,990
Term Loans by Origination Year, 2019	64,871	20,769
Term Loans by Origination Year, 2018	8,643	9,723
Term Loans by Origination Year, 2017	7,924	33,481
Term Loans by Origination Year, Prior to 2017	41,112	30,715
Financing Receivable, Revolving Loans	232,476	225,533
Total LHFI	497,191	492,441
Commercial LHFI [Member] | Other Commercial Loans [Member] | Special Mention - RR 7 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	4,059	7,500
Financing Receivable, Revolving Loans	9,013	11,333
Total LHFI	13,072	18,833
Commercial LHFI [Member] | Other Commercial Loans [Member] | Substandard - RR 8 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	4,532	381
Term Loans by Origination Year, 2020	6,681	2,099
Term Loans by Origination Year, 2019	82	683
Term Loans by Origination Year, 2018	212	6
Term Loans by Origination Year, 2017		707
Financing Receivable, Revolving Loans	13,000	9,948
Total LHFI	24,507	13,824
Commercial LHFI [Member] | Other Commercial Loans [Member] | Doubtful - RR 9 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021		2
Term Loans by Origination Year, 2020	50
Term Loans by Origination Year, Prior to 2017	23	23
Total LHFI	73	25
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Construction, Land Development and Other Land [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	378,752	292,637
Term Loans by Origination Year, 2020	82,558	66,441
Term Loans by Origination Year, 2019	24,801	27,627
Term Loans by Origination Year, 2018	2,219	4,499
Term Loans by Origination Year, 2017	1,367	3,768
Term Loans by Origination Year, Prior to 2017	2,932	3,628
Financing Receivable, Revolving Loans	26,505	28,649
Total LHFI	519,134	427,249
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Construction, Land Development and Other Land [Member] | Pass - RR 1 through RR 6 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	376,438	287,218
Term Loans by Origination Year, 2020	76,176	62,078
Term Loans by Origination Year, 2019	21,366	26,401
Term Loans by Origination Year, 2018	2,189	4,487
Term Loans by Origination Year, 2017	1,367	3,274
Term Loans by Origination Year, Prior to 2017	2,890	3,564
Financing Receivable, Revolving Loans	26,505	28,548
Total LHFI	506,931	415,570
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Construction, Land Development and Other Land [Member] | Special Mention - RR 7 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	71
Term Loans by Origination Year, 2020	6,382
Total LHFI	6,453
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Construction, Land Development and Other Land [Member] | Substandard - RR 8 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	2,243	5,419
Term Loans by Origination Year, 2020		4,363
Term Loans by Origination Year, 2019	3,435	1,226
Term Loans by Origination Year, 2018	30	12
Term Loans by Origination Year, 2017		494
Term Loans by Origination Year, Prior to 2017		22
Financing Receivable, Revolving Loans		101
Total LHFI	5,708	11,637
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Construction, Land Development and Other Land [Member] | Doubtful - RR 9 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Prior to 2017	42	42
Total LHFI	42	42
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Other Secured by 1-4 Family Residential Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	45,062	36,578
Term Loans by Origination Year, 2020	23,562	19,604
Term Loans by Origination Year, 2019	13,200	16,363
Term Loans by Origination Year, 2018	9,888	9,946
Term Loans by Origination Year, 2017	5,783	10,575
Term Loans by Origination Year, Prior to 2017	3,703	5,123
Financing Receivable, Revolving Loans	8,771	12,436
Total LHFI	109,969	110,625
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Other Secured by 1-4 Family Residential Properties [Member] | Pass - RR 1 through RR 6 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	44,208	35,139
Term Loans by Origination Year, 2020	23,269	19,596
Term Loans by Origination Year, 2019	13,194	15,399
Term Loans by Origination Year, 2018	9,722	9,605
Term Loans by Origination Year, 2017	5,737	10,273
Term Loans by Origination Year, Prior to 2017	3,076	4,786
Financing Receivable, Revolving Loans	8,771	8,486
Total LHFI	107,977	103,284
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Other Secured by 1-4 Family Residential Properties [Member] | Special Mention - RR 7 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	111	255
Term Loans by Origination Year, 2020	143
Term Loans by Origination Year, 2019		50
Total LHFI	254	305
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Other Secured by 1-4 Family Residential Properties [Member] | Substandard - RR 8 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	721	1,155
Term Loans by Origination Year, 2020	150	8
Term Loans by Origination Year, 2019	6	914
Term Loans by Origination Year, 2018	166	341
Term Loans by Origination Year, 2017	46	302
Term Loans by Origination Year, Prior to 2017	627	337
Financing Receivable, Revolving Loans		3,950
Total LHFI	1,716	7,007
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Other Secured by 1-4 Family Residential Properties [Member] | Doubtful - RR 9 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	22	29
Total LHFI	22	29
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Other Real Estate Secured [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	257,957	165,452
Term Loans by Origination Year, 2020	105,752	376,779
Term Loans by Origination Year, 2019	220,487	347,490
Term Loans by Origination Year, 2018	64,276	48,626
Term Loans by Origination Year, 2017	6,816	90,380
Term Loans by Origination Year, Prior to 2017	57,070	24,643
Financing Receivable, Revolving Loans	13,350	12,116
Total LHFI	725,708	1,065,486
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Other Real Estate Secured [Member] | Pass - RR 1 through RR 6 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	256,273	146,803
Term Loans by Origination Year, 2020	105,687	376,765
Term Loans by Origination Year, 2019	220,487	347,472
Term Loans by Origination Year, 2018	64,268	48,626
Term Loans by Origination Year, 2017	6,816	89,824
Term Loans by Origination Year, Prior to 2017	56,196	23,680
Financing Receivable, Revolving Loans	13,350	12,116
Total LHFI	723,077	1,045,286
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Other Real Estate Secured [Member] | Special Mention - RR 7 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Prior to 2017	773	841
Total LHFI	773	841
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Other Real Estate Secured [Member] | Substandard - RR 8 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	1,684	18,649
Term Loans by Origination Year, 2020	65	14
Term Loans by Origination Year, 2019		18
Term Loans by Origination Year, 2018	8
Term Loans by Origination Year, 2017		556
Term Loans by Origination Year, Prior to 2017	101	122
Total LHFI	1,858	19,359
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Secured by Nonfarm, Nonresidential Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	763,439	730,062
Term Loans by Origination Year, 2020	615,967	523,350
Term Loans by Origination Year, 2019	624,572	449,736
Term Loans by Origination Year, 2018	354,194	310,494
Term Loans by Origination Year, 2017	190,665	298,877
Term Loans by Origination Year, Prior to 2017	313,381	297,508
Financing Receivable, Revolving Loans	114,833	98,877
Total LHFI	2,977,051	2,708,904
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Pass - RR 1 through RR 6 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	750,869	697,439
Term Loans by Origination Year, 2020	604,026	496,476
Term Loans by Origination Year, 2019	610,446	442,264
Term Loans by Origination Year, 2018	350,603	293,072
Term Loans by Origination Year, 2017	183,115	254,747
Term Loans by Origination Year, Prior to 2017	279,529	251,219
Financing Receivable, Revolving Loans	113,808	96,098
Total LHFI	2,892,396	2,531,315
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Special Mention - RR 7 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	1,510	13,452
Term Loans by Origination Year, 2020	9,584	6,139
Term Loans by Origination Year, 2019	412	2,956
Term Loans by Origination Year, 2018		4,466
Term Loans by Origination Year, 2017	1,562	4,957
Term Loans by Origination Year, Prior to 2017	4,522	20,545
Total LHFI	17,590	52,515
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Substandard - RR 8 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	11,017	19,119
Term Loans by Origination Year, 2020	2,357	20,572
Term Loans by Origination Year, 2019	13,609	4,516
Term Loans by Origination Year, 2018	3,591	12,956
Term Loans by Origination Year, 2017	5,988	38,956
Term Loans by Origination Year, Prior to 2017	29,309	25,438
Financing Receivable, Revolving Loans	1,025	2,779
Total LHFI	66,896	124,336
Commercial LHFI [Member] | Loans Secured by Real Estate [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Doubtful - RR 9 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	43	52
Term Loans by Origination Year, 2020		163
Term Loans by Origination Year, 2019	105
Term Loans by Origination Year, 2017		217
Term Loans by Origination Year, Prior to 2017	21	306
Total LHFI	169	738
Commercial LHFI [Member] | Other Loans Secured by Real Estate [Member] | Other Construction [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	275,182	263,298
Term Loans by Origination Year, 2020	393,580	425,936
Term Loans by Origination Year, 2019	25,142	81,476
Term Loans by Origination Year, 2018		14,074
Term Loans by Origination Year, 2017		2,464
Financing Receivable, Revolving Loans	17,909	7,735
Total LHFI	711,813	794,983
Commercial LHFI [Member] | Other Loans Secured by Real Estate [Member] | Other Construction [Member] | Pass - RR 1 through RR 6 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	273,747	262,544
Term Loans by Origination Year, 2020	393,580	425,936
Term Loans by Origination Year, 2019	25,142	81,476
Term Loans by Origination Year, 2018		14,074
Term Loans by Origination Year, 2017		2,464
Financing Receivable, Revolving Loans	17,909	7,735
Total LHFI	710,378	794,229
Commercial LHFI [Member] | Other Loans Secured by Real Estate [Member] | Other Construction [Member] | Substandard - RR 8 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	1,435	754
Total LHFI	1,435	754
Consumer LHFI [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	762,936	424,960
Term Loans by Origination Year, 2020	290,368	275,340
Term Loans by Origination Year, 2019	157,354	210,287
Term Loans by Origination Year, 2018	123,449	104,359
Term Loans by Origination Year, 2017	63,675	115,242
Term Loans by Origination Year, Prior to 2017	304,626	345,671
Financing Receivable, Revolving Loans	406,373	406,441
Total LHFI	2,108,781	1,882,300
Consumer LHFI [Member] | Consumer Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	66,452	65,983
Term Loans by Origination Year, 2020	25,775	25,465
Term Loans by Origination Year, 2019	8,629	13,266
Term Loans by Origination Year, 2018	4,769	3,925
Term Loans by Origination Year, 2017	1,307	1,266
Term Loans by Origination Year, Prior to 2017	383	348
Financing Receivable, Revolving Loans	55,240	54,133
Total LHFI	162,555	164,386
Consumer LHFI [Member] | Consumer Loans [Member] | Current [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	65,366	65,370
Term Loans by Origination Year, 2020	25,512	25,303
Term Loans by Origination Year, 2019	8,498	13,140
Term Loans by Origination Year, 2018	4,734	3,893
Term Loans by Origination Year, 2017	1,289	1,257
Term Loans by Origination Year, Prior to 2017	378	345
Financing Receivable, Revolving Loans	54,518	53,669
Total LHFI	160,295	162,977
Consumer LHFI [Member] | Consumer Loans [Member] | Past Due 30-89 Days [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	989	524
Term Loans by Origination Year, 2020	223	158
Term Loans by Origination Year, 2019	123	67
Term Loans by Origination Year, 2018	22	19
Term Loans by Origination Year, 2017	10	7
Term Loans by Origination Year, Prior to 2017	5	3
Financing Receivable, Revolving Loans	468	305
Total LHFI	1,840	1,083
Consumer LHFI [Member] | Consumer Loans [Member] | Past Due 90 Days or More [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	26	77
Term Loans by Origination Year, 2020	23
Term Loans by Origination Year, 2019	6	4
Financing Receivable, Revolving Loans	248	159
Total LHFI	303	240
Consumer LHFI [Member] | Consumer Loans [Member] | Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	71	12
Term Loans by Origination Year, 2020	17	4
Term Loans by Origination Year, 2019	2	55
Term Loans by Origination Year, 2018	13	13
Term Loans by Origination Year, 2017	8	2
Financing Receivable, Revolving Loans	6
Total LHFI	117	86
Consumer LHFI [Member] | Loans Secured by Real Estate [Member] | Construction, Land Development and Other Land [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	51,913	47,336
Term Loans by Origination Year, 2020	16,469	24,492
Term Loans by Origination Year, 2019	3,073	8,516
Term Loans by Origination Year, 2018	3,064	2,036
Term Loans by Origination Year, 2017	797	1,448
Term Loans by Origination Year, Prior to 2017	2,518	2,979
Total LHFI	77,834	86,807
Consumer LHFI [Member] | Loans Secured by Real Estate [Member] | Construction, Land Development and Other Land [Member] | Current [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	51,849	47,336
Term Loans by Origination Year, 2020	16,204	24,174
Term Loans by Origination Year, 2019	3,024	8,496
Term Loans by Origination Year, 2018	3,059	2,036
Term Loans by Origination Year, 2017	797	1,447
Term Loans by Origination Year, Prior to 2017	2,404	2,868
Total LHFI	77,337	86,357
Consumer LHFI [Member] | Loans Secured by Real Estate [Member] | Construction, Land Development and Other Land [Member] | Past Due 30-89 Days [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2020	265	318
Term Loans by Origination Year, 2019	49	20
Term Loans by Origination Year, 2018	5
Term Loans by Origination Year, 2017		1
Term Loans by Origination Year, Prior to 2017	14	12
Total LHFI	333	351
Consumer LHFI [Member] | Loans Secured by Real Estate [Member] | Construction, Land Development and Other Land [Member] | Past Due 90 Days or More [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Prior to 2017	7
Total LHFI	7
Consumer LHFI [Member] | Loans Secured by Real Estate [Member] | Construction, Land Development and Other Land [Member] | Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	64
Term Loans by Origination Year, Prior to 2017	93	99
Total LHFI	157	99
Consumer LHFI [Member] | Loans Secured by Real Estate [Member] | Other Secured by 1-4 Family Residential Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	21,197	20,963
Term Loans by Origination Year, 2020	11,206	10,309
Term Loans by Origination Year, 2019	6,235	12,158
Term Loans by Origination Year, 2018	6,026	4,618
Term Loans by Origination Year, 2017	3,632	2,082
Term Loans by Origination Year, Prior to 2017	8,285	11,669
Financing Receivable, Revolving Loans	351,133	352,308
Total LHFI	407,714	414,107
Consumer LHFI [Member] | Loans Secured by Real Estate [Member] | Other Secured by 1-4 Family Residential Properties [Member] | Current [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	21,166	20,864
Term Loans by Origination Year, 2020	11,098	10,253
Term Loans by Origination Year, 2019	6,119	12,037
Term Loans by Origination Year, 2018	5,903	4,177
Term Loans by Origination Year, 2017	3,291	2,082
Term Loans by Origination Year, Prior to 2017	7,853	11,124
Financing Receivable, Revolving Loans	347,743	348,830
Total LHFI	403,173	409,367
Consumer LHFI [Member] | Loans Secured by Real Estate [Member] | Other Secured by 1-4 Family Residential Properties [Member] | Past Due 30-89 Days [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	5	93
Term Loans by Origination Year, 2020	34	12
Term Loans by Origination Year, 2019	87
Term Loans by Origination Year, 2018	114	13
Term Loans by Origination Year, Prior to 2017	145	133
Financing Receivable, Revolving Loans	1,214	1,058
Total LHFI	1,599	1,309
Consumer LHFI [Member] | Loans Secured by Real Estate [Member] | Other Secured by 1-4 Family Residential Properties [Member] | Past Due 90 Days or More [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2020	4
Term Loans by Origination Year, Prior to 2017	13	30
Financing Receivable, Revolving Loans	91	22
Total LHFI	108	52
Consumer LHFI [Member] | Loans Secured by Real Estate [Member] | Other Secured by 1-4 Family Residential Properties [Member] | Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	26	6
Term Loans by Origination Year, 2020	70	44
Term Loans by Origination Year, 2019	29	121
Term Loans by Origination Year, 2018	9	428
Term Loans by Origination Year, 2017	341
Term Loans by Origination Year, Prior to 2017	274	382
Financing Receivable, Revolving Loans	2,085	2,398
Total LHFI	2,834	3,379
Consumer LHFI [Member] | Loans Secured by Real Estate [Member] | Other Real Estate Secured [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021		107
Term Loans by Origination Year, 2020	97
Term Loans by Origination Year, 2019		38
Term Loans by Origination Year, 2018	8	37
Term Loans by Origination Year, 2017	60	96
Term Loans by Origination Year, Prior to 2017	170	200
Total LHFI	335	478
Consumer LHFI [Member] | Loans Secured by Real Estate [Member] | Other Real Estate Secured [Member] | Current [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021		107
Term Loans by Origination Year, 2020	97
Term Loans by Origination Year, 2019		38
Term Loans by Origination Year, 2018	8	37
Term Loans by Origination Year, 2017	60	96
Term Loans by Origination Year, Prior to 2017	170	200
Total LHFI	335	478
Consumer LHFI [Member] | Loans Secured by Real Estate [Member] | Secured by Nonfarm, Nonresidential Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	31	109
Term Loans by Origination Year, 2018		4
Term Loans by Origination Year, 2017	2
Term Loans by Origination Year, Prior to 2017		9
Total LHFI	33	122
Consumer LHFI [Member] | Loans Secured by Real Estate [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Current [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	31	109
Term Loans by Origination Year, 2018		4
Term Loans by Origination Year, 2017	2
Term Loans by Origination Year, Prior to 2017		9
Total LHFI	33	122
Consumer LHFI [Member] | Other Loans Secured by Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	623,343	290,462
Term Loans by Origination Year, 2020	236,821	215,074
Term Loans by Origination Year, 2019	139,417	176,309
Term Loans by Origination Year, 2018	109,582	93,739
Term Loans by Origination Year, 2017	57,877	110,350
Term Loans by Origination Year, Prior to 2017	293,270	330,466
Total LHFI	1,460,310	1,216,400
Consumer LHFI [Member] | Other Loans Secured by Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | Current [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	622,330	289,521
Term Loans by Origination Year, 2020	233,951	214,056
Term Loans by Origination Year, 2019	137,500	173,324
Term Loans by Origination Year, 2018	107,345	92,564
Term Loans by Origination Year, 2017	56,374	109,031
Term Loans by Origination Year, Prior to 2017	285,919	321,250
Total LHFI	1,443,419	1,199,746
Consumer LHFI [Member] | Other Loans Secured by Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | Past Due 30-89 Days [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	542	499
Term Loans by Origination Year, 2020	494	93
Term Loans by Origination Year, 2019	333	753
Term Loans by Origination Year, 2018	10	366
Term Loans by Origination Year, 2017	369	1,080
Term Loans by Origination Year, Prior to 2017	714	799
Total LHFI	2,462	3,590
Consumer LHFI [Member] | Other Loans Secured by Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | Past Due 90 Days or More [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	199	159
Term Loans by Origination Year, 2020	501	214
Term Loans by Origination Year, 2019	165	208
Term Loans by Origination Year, 2018	122	127
Term Loans by Origination Year, 2017	218
Term Loans by Origination Year, Prior to 2017	450	549
Total LHFI	1,655	1,257
Consumer LHFI [Member] | Other Loans Secured by Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, 2021	272	283
Term Loans by Origination Year, 2020	1,875	711
Term Loans by Origination Year, 2019	1,419	2,024
Term Loans by Origination Year, 2018	2,105	682
Term Loans by Origination Year, 2017	916	239
Term Loans by Origination Year, Prior to 2017	6,187	7,868
Total LHFI	$ 12,774	$ 11,807