Loans Held for Investment (LHFI) and Allowance for Loan Losses, LHFI - Summary of Amortized Cost Basis of Loans by Credit Quality Indicator (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year	$ 2,188,625	$ 3,495,006
Term Loans by Origination Year, Before Latest Fiscal Year	2,835,163	1,956,255
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	1,762,727	1,263,132
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	978,698	628,618
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	484,728	431,022
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	1,322,863	1,184,453
Financing Receivable, Revolving Loans	1,372,036	1,289,343
Total LHFI	10,944,840	10,247,829
Past Due 90 Days or More [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	6,865	15,819
Commercial and Industrial Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	1,551,001	1,414,279
Commercial and Industrial Loans [Member] | Past Due 90 Days or More [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	269	1,107
State and Other Political Subdivision Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	1,110,795	1,146,251
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	520,633	534,843
Other Commercial Loans [Member] | Past Due 90 Days or More [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	59	118
Consumer Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	164,001	162,555
Consumer Loans [Member] | Past Due 90 Days or More [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	204	305
Loans Secured by Real Estate [Member] | Construction, Land Development and Other Land [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	664,817	596,968
Loans Secured by Real Estate [Member] | Other Secured by 1-4 Family Residential Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	540,950	517,683
Loans Secured by Real Estate [Member] | Other Real Estate Secured [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	555,311	726,043
Loans Secured by Real Estate [Member] | Secured by Nonfarm, Nonresidential Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	3,178,079	2,977,084
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	419	1,442
Other Loans Secured by Real Estate [Member] | Other Construction [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	775,241	711,813
Other Loans Secured by Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Total LHFI	1,884,012	1,460,310
Commercial LHFI [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year	1,548,645	2,732,070
Term Loans by Origination Year, Before Latest Fiscal Year	2,138,434	1,665,887
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	1,515,059	1,105,778
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	847,524	505,169
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	380,230	367,347
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	1,012,637	879,827
Financing Receivable, Revolving Loans	946,928	882,970
Total LHFI	8,389,457	8,139,048
Commercial LHFI [Member] | Commercial and Industrial Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year	320,594	518,266
Term Loans by Origination Year, Before Latest Fiscal Year	384,665	250,920
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	183,143	75,636
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	59,170	35,179
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	21,212	59,301
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	81,908	36,273
Financing Receivable, Revolving Loans	500,309	438,704
Total LHFI	1,551,001	1,414,279
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, Current Fiscal Year	307,184	503,073
Term Loans by Origination Year, Before Latest Fiscal Year	380,638	249,171
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	182,033	74,239
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	58,698	33,403
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	20,571	50,016
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	74,552	35,883
Financing Receivable, Revolving Loans	481,404	400,423
Total LHFI	1,505,080	1,346,208
Commercial LHFI [Member] | Commercial and Industrial Loans [Member] | Special Mention - RR 7 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year		643
Term Loans by Origination Year, Before Latest Fiscal Year		365
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	11	147
Term Loans by Origination Year, Three Years Before Latest Fiscal Year		550
Term Loans by Origination Year, Four Years Before Latest Fiscal Year		48
Financing Receivable, Revolving Loans		99
Total LHFI	11	1,852
Commercial LHFI [Member] | Commercial and Industrial Loans [Member] | Substandard - RR 8 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year	13,300	14,530
Term Loans by Origination Year, Before Latest Fiscal Year	3,990	1,338
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	1,065	1,221
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	455	1,119
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	601	9,237
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	7,352	386
Financing Receivable, Revolving Loans	18,902	38,182
Total LHFI	45,665	66,013
Commercial LHFI [Member] | Commercial and Industrial Loans [Member] | Doubtful - RR 9 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year	110	20
Term Loans by Origination Year, Before Latest Fiscal Year	37	46
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	34	29
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	17	107
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	40
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	4	4
Financing Receivable, Revolving Loans	3
Total LHFI	245	206
Commercial LHFI [Member] | State and Other Political Subdivision Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year	161,541	381,317
Term Loans by Origination Year, Before Latest Fiscal Year	274,400	148,156
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	132,145	56,987
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	45,920	30,558
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	23,410	95,491
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	470,249	425,333
Financing Receivable, Revolving Loans	3,130	8,409
Total LHFI	1,110,795	1,146,251
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, Current Fiscal Year	161,541	381,317
Term Loans by Origination Year, Before Latest Fiscal Year	274,400	148,156
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	132,145	56,987
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	45,920	30,558
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	23,410	95,491
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	464,353	418,319
Financing Receivable, Revolving Loans	3,130	8,409
Total LHFI	1,104,899	1,139,237
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, Five or More Years Before Latest Fiscal Year	2,700	3,350
Total LHFI	2,700	3,350
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, Five or More Years Before Latest Fiscal Year	3,196	3,664
Total LHFI	3,196	3,664
Commercial LHFI [Member] | Other Commercial Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year	43,220	112,095
Term Loans by Origination Year, Before Latest Fiscal Year	79,056	45,392
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	32,463	64,953
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	49,832	8,855
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	7,541	7,924
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	45,997	41,135
Financing Receivable, Revolving Loans	262,524	254,489
Total LHFI	520,633	534,843
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, Current Fiscal Year	38,561	103,504
Term Loans by Origination Year, Before Latest Fiscal Year	78,844	38,661
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	32,461	64,871
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	49,796	8,643
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	7,512	7,924
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	44,764	41,112
Financing Receivable, Revolving Loans	253,511	232,476
Total LHFI	505,449	497,191
Commercial LHFI [Member] | Other Commercial Loans [Member] | Special Mention - RR 7 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year	4,634	4,059
Financing Receivable, Revolving Loans	9,013	9,013
Total LHFI	13,647	13,072
Commercial LHFI [Member] | Other Commercial Loans [Member] | Substandard - RR 8 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year		4,532
Term Loans by Origination Year, Before Latest Fiscal Year	212	6,681
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	2	82
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	36	212
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	29
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	1,210
Financing Receivable, Revolving Loans		13,000
Total LHFI	1,489	24,507
Commercial LHFI [Member] | Other Commercial Loans [Member] | Doubtful - RR 9 [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year	25
Term Loans by Origination Year, Before Latest Fiscal Year		50
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	23	23
Total LHFI	48	73
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, Current Fiscal Year	225,973	378,752
Term Loans by Origination Year, Before Latest Fiscal Year	237,425	82,558
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	49,624	24,801
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	12,106	2,219
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	1,626	1,367
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	3,244	2,932
Financing Receivable, Revolving Loans	48,155	26,505
Total LHFI	578,153	519,134
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, Current Fiscal Year	225,827	376,438
Term Loans by Origination Year, Before Latest Fiscal Year	236,979	76,176
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	49,624	21,366
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	8,406	2,189
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	1,626	1,367
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	3,198	2,890
Financing Receivable, Revolving Loans	48,155	26,505
Total LHFI	573,815	506,931
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, Current Fiscal Year		71
Term Loans by Origination Year, Before Latest Fiscal Year		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, Current Fiscal Year	146	2,243
Term Loans by Origination Year, Before Latest Fiscal Year	446
Term Loans by Origination Year, Two Years Before Latest Fiscal Year		3,435
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	3,700	30
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	4
Total LHFI	4,296	5,708
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, Five or More Years Before Latest Fiscal Year	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, Current Fiscal Year	30,779	45,062
Term Loans by Origination Year, Before Latest Fiscal Year	37,720	23,562
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	19,035	13,200
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	10,678	9,888
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	7,808	5,783
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	6,204	3,703
Financing Receivable, Revolving Loans	8,329	8,771
Total LHFI	120,553	109,969
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, Current Fiscal Year	30,424	44,208
Term Loans by Origination Year, Before Latest Fiscal Year	37,379	23,269
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	18,886	13,194
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	10,673	9,722
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	7,645	5,737
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	5,791	3,076
Financing Receivable, Revolving Loans	8,329	8,771
Total LHFI	119,127	107,977
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, Current Fiscal Year		111
Term Loans by Origination Year, Before Latest Fiscal Year	102	143
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	20
Total LHFI	122	254
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, Current Fiscal Year	355	721
Term Loans by Origination Year, Before Latest Fiscal Year	221	150
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	129	6
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	5	166
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	163	46
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	413	627
Total LHFI	1,286	1,716
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, Current Fiscal Year		22
Term Loans by Origination Year, Before Latest Fiscal Year	18
Total LHFI	18	22
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, Current Fiscal Year	137,973	257,957
Term Loans by Origination Year, Before Latest Fiscal Year	118,364	105,752
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	121,208	220,487
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	130,133	64,276
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	12,474	6,816
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	21,755	57,070
Financing Receivable, Revolving Loans	13,119	13,350
Total LHFI	555,026	725,708
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, Current Fiscal Year	137,973	256,273
Term Loans by Origination Year, Before Latest Fiscal Year	118,364	105,687
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	121,143	220,487
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	130,133	64,268
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	12,467	6,816
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	20,980	56,196
Financing Receivable, Revolving Loans	13,119	13,350
Total LHFI	554,179	723,077
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, Five or More Years Before Latest Fiscal Year		773
Total LHFI		773
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, Current Fiscal Year		1,684
Term Loans by Origination Year, Before Latest Fiscal Year		65
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	65
Term Loans by Origination Year, Three Years Before Latest Fiscal Year		8
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	7
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	775	101
Total LHFI	847	1,858
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, Current Fiscal Year	512,801	763,439
Term Loans by Origination Year, Before Latest Fiscal Year	711,044	615,967
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	615,459	624,572
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	538,067	354,194
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	306,159	190,665
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	383,280	313,381
Financing Receivable, Revolving Loans	111,245	114,833
Total LHFI	3,178,055	2,977,051
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, Current Fiscal Year	497,133	750,869
Term Loans by Origination Year, Before Latest Fiscal Year	704,378	604,026
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	604,576	610,446
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	536,749	350,603
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	301,486	183,115
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	361,740	279,529
Financing Receivable, Revolving Loans	110,995	113,808
Total LHFI	3,117,057	2,892,396
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, Current Fiscal Year	943	1,510
Term Loans by Origination Year, Before Latest Fiscal Year		9,584
Term Loans by Origination Year, Two Years Before Latest Fiscal Year		412
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	277
Term Loans by Origination Year, Four Years Before Latest Fiscal Year		1,562
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year		4,522
Total LHFI	1,220	17,590
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, Current Fiscal Year	14,687	11,017
Term Loans by Origination Year, Before Latest Fiscal Year	6,666	2,357
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	10,883	13,609
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	951	3,591
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	4,673	5,988
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	21,521	29,309
Financing Receivable, Revolving Loans	250	1,025
Total LHFI	59,631	66,896
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, Current Fiscal Year	38	43
Term Loans by Origination Year, Two Years Before Latest Fiscal Year		105
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	90
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	19	21
Total LHFI	147	169
Commercial LHFI [Member] | Other Loans Secured by Real Estate [Member] | Other Construction [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year	115,764	275,182
Term Loans by Origination Year, Before Latest Fiscal Year	295,760	393,580
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	361,982	25,142
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	1,618
Financing Receivable, Revolving Loans	117	17,909
Total LHFI	775,241	711,813
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, Current Fiscal Year	115,764	273,747
Term Loans by Origination Year, Before Latest Fiscal Year	288,140	393,580
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	361,982	25,142
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	1,618
Financing Receivable, Revolving Loans	117	17,909
Total LHFI	767,621	710,378
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, Current Fiscal Year		1,435
Term Loans by Origination Year, Before Latest Fiscal Year	7,620
Total LHFI	7,620	1,435
Consumer LHFI [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year	639,980	762,936
Term Loans by Origination Year, Before Latest Fiscal Year	696,729	290,368
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	247,668	157,354
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	131,174	123,449
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	104,498	63,675
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	310,226	304,626
Financing Receivable, Revolving Loans	425,108	406,373
Total LHFI	2,555,383	2,108,781
Consumer LHFI [Member] | Consumer Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year	43,499	66,452
Term Loans by Origination Year, Before Latest Fiscal Year	41,521	25,775
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	15,673	8,629
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	4,661	4,769
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	2,825	1,307
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	818	383
Financing Receivable, Revolving Loans	55,004	55,240
Total LHFI	164,001	162,555
Consumer LHFI [Member] | Consumer Loans [Member] | Current [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year	42,972	65,366
Term Loans by Origination Year, Before Latest Fiscal Year	41,295	25,512
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	15,612	8,498
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	4,616	4,734
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	2,777	1,289
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	806	378
Financing Receivable, Revolving Loans	54,385	54,518
Total LHFI	162,463	160,295
Consumer LHFI [Member] | Consumer Loans [Member] | Past Due 30-89 Days [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year	447	989
Term Loans by Origination Year, Before Latest Fiscal Year	164	223
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	52	123
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	41	22
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	45	10
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	5	5
Financing Receivable, Revolving Loans	454	468
Total LHFI	1,208	1,840
Consumer LHFI [Member] | Consumer Loans [Member] | Past Due 90 Days or More [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year	18	26
Term Loans by Origination Year, Before Latest Fiscal Year	42	23
Term Loans by Origination Year, Two Years Before Latest Fiscal Year		6
Financing Receivable, Revolving Loans	143	248
Total LHFI	203	303
Consumer LHFI [Member] | Consumer Loans [Member] | Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Term Loans by Origination Year, Current Fiscal Year	62	71
Term Loans by Origination Year, Before Latest Fiscal Year	20	17
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	9	2
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	4	13
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	3	8
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	7
Financing Receivable, Revolving Loans	22	6
Total LHFI	127	117
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, Current Fiscal Year	20,574	51,913
Term Loans by Origination Year, Before Latest Fiscal Year	51,553	16,469
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	7,351	3,073
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	2,407	3,064
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	2,355	797
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	2,424	2,518
Total LHFI	86,664	77,834
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, Current Fiscal Year	20,574	51,849
Term Loans by Origination Year, Before Latest Fiscal Year	51,378	16,204
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	6,845	3,024
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	2,374	3,059
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	2,355	797
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	2,384	2,404
Total LHFI	85,910	77,337
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, Before Latest Fiscal Year	114	265
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	506	49
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	33	5
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	29	14
Total LHFI	682	333
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, Five or More Years Before Latest Fiscal Year		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, Current Fiscal Year		64
Term Loans by Origination Year, Before Latest Fiscal Year	61
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	11	93
Total LHFI	72	157
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, Current Fiscal Year	11,413	21,197
Term Loans by Origination Year, Before Latest Fiscal Year	11,513	11,206
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	7,342	6,235
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	5,581	6,026
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	4,742	3,632
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	9,702	8,285
Financing Receivable, Revolving Loans	370,104	351,133
Total LHFI	420,397	407,714
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, Current Fiscal Year	11,368	21,166
Term Loans by Origination Year, Before Latest Fiscal Year	11,183	11,098
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	7,268	6,119
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	5,506	5,903
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	4,730	3,291
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	8,964	7,853
Financing Receivable, Revolving Loans	365,637	347,743
Total LHFI	414,656	403,173
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, Current Fiscal Year		5
Term Loans by Origination Year, Before Latest Fiscal Year	274	34
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	69	87
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	50	114
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	4
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	232	145
Financing Receivable, Revolving Loans	1,421	1,214
Total LHFI	2,050	1,599
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, Before Latest Fiscal Year	31	4
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year		13
Financing Receivable, Revolving Loans	532	91
Total LHFI	563	108
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, Current Fiscal Year	45	26
Term Loans by Origination Year, Before Latest Fiscal Year	25	70
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	5	29
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	25	9
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	8	341
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	506	274
Financing Receivable, Revolving Loans	2,514	2,085
Total LHFI	3,128	2,834
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, Before Latest Fiscal Year		97
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	93
Term Loans by Origination Year, Three Years Before Latest Fiscal Year		8
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	7	60
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	185	170
Total LHFI	285	335
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, Before Latest Fiscal Year		97
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	93
Term Loans by Origination Year, Three Years Before Latest Fiscal Year		8
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	7	60
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	185	170
Total LHFI	285	335
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, Current Fiscal Year		31
Term Loans by Origination Year, Before Latest Fiscal Year	24
Term Loans by Origination Year, Four Years Before Latest Fiscal Year		2
Total LHFI	24	33
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, Current Fiscal Year		31
Term Loans by Origination Year, Before Latest Fiscal Year	24
Term Loans by Origination Year, Four Years Before Latest Fiscal Year		2
Total LHFI	24	33
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, Current Fiscal Year	564,494	623,343
Term Loans by Origination Year, Before Latest Fiscal Year	592,118	236,821
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	217,209	139,417
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	118,525	109,582
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	94,569	57,877
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	297,097	293,270
Total LHFI	1,884,012	1,460,310
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, Current Fiscal Year	564,074	622,330
Term Loans by Origination Year, Before Latest Fiscal Year	589,588	233,951
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	213,120	137,500
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	116,458	107,345
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	92,047	56,374
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	289,083	285,919
Total LHFI	1,864,370	1,443,419
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, Current Fiscal Year	420	542
Term Loans by Origination Year, Before Latest Fiscal Year	1,497	494
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	1,284	333
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	200	10
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	806	369
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	1,368	714
Total LHFI	5,575	2,462
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, Current Fiscal Year		199
Term Loans by Origination Year, Before Latest Fiscal Year		501
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	270	165
Term Loans by Origination Year, Three Years Before Latest Fiscal Year		122
Term Loans by Origination Year, Four Years Before Latest Fiscal Year		218
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	179	450
Total LHFI	449	1,655
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, Current Fiscal Year		272
Term Loans by Origination Year, Before Latest Fiscal Year	1,033	1,875
Term Loans by Origination Year, Two Years Before Latest Fiscal Year	2,535	1,419
Term Loans by Origination Year, Three Years Before Latest Fiscal Year	1,867	2,105
Term Loans by Origination Year, Four Years Before Latest Fiscal Year	1,716	916
Term Loans by Origination Year, Five or More Years Before Latest Fiscal Year	6,467	6,187
Total LHFI	$ 13,618	$ 12,774