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Allowance for Credit Losses, Credit Quality and Other - Summary of Most Recent Analysis Performed, Risk Category of Loans by Class of Loans and Writeoffs (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	$ 1,878,278	$ 2,197,674
Year Two	2,291,592	2,138,138
Year Three	1,884,613	3,107,235
Year Four	2,784,564	1,554,947
Year Five	1,388,501	867,316
Prior	3,301,680	3,045,313
Revolving Loans Amortized Cost Basis	1,756,744	1,853,877
Total	15,285,972	14,764,500
Writeoffs, Year One	2,373	3,044
Writeoffs, Year Two	74	838
Writeoffs, Year Three	2,557	34,489
Writeoffs, Year Four	1,501	2,243
Writeoffs, Year Five	1,544	10,522
Writeoffs, Prior	3,338	7,883
Writeoffs, Revolving	793	4,017
Writeoffs, Total	12,180	63,036
Commercial real estate loans
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	954,723	1,350,313
Year Two	1,545,568	1,037,666
Year Three	802,509	1,947,209
Year Four	1,710,918	938,027
Year Five	808,033	443,400
Prior	1,952,571	1,920,283
Revolving Loans Amortized Cost Basis	760,668	863,089
Total	8,534,990	8,499,987
Commercial real estate loans | Non-farm/non-residential
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	436,046	333,198
Year Two	366,675	423,332
Year Three	425,112	1,212,296
Year Four	1,263,247	785,056
Year Five	718,661	363,710
Prior	1,790,096	1,767,050
Revolving Loans Amortized Cost Basis	494,655	542,138
Total	5,494,492	5,426,780
Writeoffs, Year One	0	0
Writeoffs, Year Two	5	0
Writeoffs, Year Three	0	26,059
Writeoffs, Year Four	47	779
Writeoffs, Year Five	87	9,979
Writeoffs, Prior	2,264	1,220
Writeoffs, Revolving	0	95
Writeoffs, Total	2,403	38,132
Commercial real estate loans | Construction/land development
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	484,119	963,907
Year Two	1,129,174	571,039
Year Three	348,468	676,520
Year Four	396,850	115,480
Year Five	55,330	47,913
Prior	85,603	82,999
Revolving Loans Amortized Cost Basis	209,653	278,356
Total	2,709,197	2,736,214
Writeoffs, Year One	0	0
Writeoffs, Year Two	0	0
Writeoffs, Year Three	11	666
Writeoffs, Year Four	0	526
Writeoffs, Year Five	41	33
Writeoffs, Prior	18	0
Writeoffs, Revolving	0	212
Writeoffs, Total	70	1,437
Commercial real estate loans | Agricultural
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	34,558	53,208
Year Two	49,719	43,295
Year Three	28,929	58,393
Year Four	50,821	37,491
Year Five	34,042	31,777
Prior	76,872	70,234
Revolving Loans Amortized Cost Basis	56,360	42,595
Total	331,301	336,993
Writeoffs, Year One	0	0
Writeoffs, Year Two	0	0
Writeoffs, Year Three	0	0
Writeoffs, Year Four	0	0
Writeoffs, Year Five	0	0
Writeoffs, Prior	0	0
Writeoffs, Revolving	0	0
Writeoffs, Total	0	0
Residential real estate loans | Residential 1-4 family
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	251,575	235,119
Year Two	214,590	255,492
Year Three	266,965	422,926
Year Four	424,885	250,947
Year Five	282,168	150,113
Prior	505,973	426,755
Revolving Loans Amortized Cost Basis	196,219	215,137
Total	2,142,375	1,956,489
Writeoffs, Year One	0	0
Writeoffs, Year Two	0	57
Writeoffs, Year Three	38	170
Writeoffs, Year Four	202	1
Writeoffs, Year Five	0	58
Writeoffs, Prior	108	184
Writeoffs, Revolving	21	97
Writeoffs, Total	369	567
Residential real estate loans | Multifamily residential
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	9,657	4,041
Year Two	32,742	11,699
Year Three	169,828	206,971
Year Four	259,472	49,322
Year Five	41,244	109,809
Prior	167,400	94,772
Revolving Loans Amortized Cost Basis	36,252	19,870
Total	716,595	496,484
Writeoffs, Year One		0
Writeoffs, Year Two		0
Writeoffs, Year Three		6,500
Writeoffs, Year Four		0
Writeoffs, Year Five		0
Writeoffs, Prior		0
Writeoffs, Revolving		0
Writeoffs, Total		6,500
Total real estate
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	1,215,955	1,589,473
Year Two	1,792,900	1,304,857
Year Three	1,239,302	2,577,106
Year Four	2,395,275	1,238,296
Year Five	1,131,445	703,322
Prior	2,625,944	2,441,810
Revolving Loans Amortized Cost Basis	993,139	1,098,096
Total	11,393,960	10,952,960
Writeoffs, Year One	0	0
Writeoffs, Year Two	5	57
Writeoffs, Year Three	49	33,395
Writeoffs, Year Four	249	1,306
Writeoffs, Year Five	128	10,070
Writeoffs, Prior	2,390	1,404
Writeoffs, Revolving	21	404
Writeoffs, Total	2,842	46,636
Consumer
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	209,202	281,031
Year Two	249,363	220,837
Year Three	168,483	216,978
Year Four	170,150	175,880
Year Five	146,860	88,720
Prior	286,303	247,924
Revolving Loans Amortized Cost Basis	3,162	2,991
Total	1,233,523	1,234,361
Writeoffs, Year One	219	18
Writeoffs, Year Two	54	134
Writeoffs, Year Three	310	997
Writeoffs, Year Four	616	246
Writeoffs, Year Five	279	336
Writeoffs, Prior	292	474
Writeoffs, Revolving	61	9
Writeoffs, Total	1,831	2,214
Commercial and industrial
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	348,989	259,442
Year Two	208,161	566,916
Year Three	470,236	266,801
Year Four	178,820	107,310
Year Five	81,137	50,457
Prior	325,908	308,754
Revolving Loans Amortized Cost Basis	487,017	463,095
Total	2,100,268	2,022,775
Writeoffs, Year One	0	0
Writeoffs, Year Two	15	576
Writeoffs, Year Three	2,198	97
Writeoffs, Year Four	636	691
Writeoffs, Year Five	1,137	116
Writeoffs, Prior	654	6,005
Writeoffs, Revolving	711	3,604
Writeoffs, Total	5,351	11,089
Agricultural & other
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	104,132	67,728
Year Two	41,168	45,528
Year Three	6,592	46,350
Year Four	40,319	33,461
Year Five	29,059	24,817
Prior	63,525	46,825
Revolving Loans Amortized Cost Basis	273,426	289,695
Total	558,221	554,404
Writeoffs, Year One	2,154	3,026
Writeoffs, Year Two	0	71
Writeoffs, Year Three	0	0
Writeoffs, Year Four	0	0
Writeoffs, Year Five	0	0
Writeoffs, Prior	2	0
Writeoffs, Revolving	0	0
Writeoffs, Total	2,156	3,097
Risk rating 1 | Commercial real estate loans | Non-farm/non-residential
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	309	326
Revolving Loans Amortized Cost Basis	136	68
Total	445	394
Risk rating 1 | Commercial real estate loans | Construction/land development
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	9
Year Five	9	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	9	9
Risk rating 1 | Commercial real estate loans | Agricultural
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	449
Year Two	0	0
Year Three	0	1,393
Year Four	1,204	0
Year Five	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	1,204	1,842
Risk rating 1 | Residential real estate loans | Residential 1-4 family
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	85	91
Revolving Loans Amortized Cost Basis	1	2
Total	86	93
Risk rating 1 | Residential real estate loans | Multifamily residential
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Risk rating 1 | Total real estate
Financing Receivable Allowance For Credit Losses [Line Items]
Year One		1,589,473
Year Two		1,304,857
Year Three		2,577,106
Year Four		1,238,296
Year Five		703,322
Prior		2,441,810
Revolving Loans Amortized Cost Basis		1,098,096
Total		10,952,960
Risk rating 1 | Consumer
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	4,000	4,977
Year Two	3,430	2,256
Year Three	1,533	1,548
Year Four	1,112	789
Year Five	501	524
Prior	1,221	1,001
Revolving Loans Amortized Cost Basis	1,969	1,589
Total	13,766	12,684
Risk rating 1 | Commercial and industrial
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	1,920	6,417
Year Two	3,424	833
Year Three	313	575
Year Four	467	417
Year Five	717	214
Prior	20,737	20,878
Revolving Loans Amortized Cost Basis	14,577	12,044
Total	42,155	41,378
Risk rating 1 | Agricultural & other
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	238	705
Year Two	577	375
Year Three	347	120
Year Four	0	16
Year Five	16	100
Prior	97	0
Revolving Loans Amortized Cost Basis	921	993
Total	2,196	2,309
Risk rating 2 | Commercial real estate loans | Non-farm/non-residential
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Risk rating 2 | Commercial real estate loans | Construction/land development
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	136	100
Year Two	95	134
Year Three	131	0
Year Four	0	0
Year Five	0	0
Prior	130	157
Revolving Loans Amortized Cost Basis	0	0
Total	492	391
Risk rating 2 | Commercial real estate loans | Agricultural
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	277
Year Two	272	238
Year Three	233	0
Year Four	0	1,080
Year Five	1,030	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	1,535	1,595
Risk rating 2 | Residential real estate loans | Residential 1-4 family
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	0
Year Two	0	221
Year Three	158	0
Year Four	0	0
Year Five	0	0
Prior	2	10
Revolving Loans Amortized Cost Basis	1	4
Total	161	235
Risk rating 2 | Residential real estate loans | Multifamily residential
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	0	0
Risk rating 2 | Consumer
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	3	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	225	142
Revolving Loans Amortized Cost Basis	0	0
Total	228	142
Risk rating 2 | Commercial and industrial
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	47
Year Two	44	117
Year Three	79	442
Year Four	309	66
Year Five	0	4
Prior	16	18
Revolving Loans Amortized Cost Basis	3,331	2,709
Total	3,779	3,403
Risk rating 2 | Agricultural & other
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	312	153
Year Two	145	301
Year Three	255	23
Year Four	23	0
Year Five	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	2,377	2,175
Total	3,112	2,652
Risk rating 3 | Commercial real estate loans | Non-farm/non-residential
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	348,792	178,690
Year Two	204,769	331,274
Year Three	330,245	645,431
Year Four	651,052	512,315
Year Five	429,947	220,835
Prior	1,000,935	934,598
Revolving Loans Amortized Cost Basis	255,141	228,198
Total	3,220,881	3,051,341
Risk rating 3 | Commercial real estate loans | Construction/land development
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	435,575	791,840
Year Two	947,632	397,607
Year Three	207,583	337,382
Year Four	179,940	85,069
Year Five	29,750	40,870
Prior	62,505	60,994
Revolving Loans Amortized Cost Basis	67,375	70,755
Total	1,930,360	1,784,517
Risk rating 3 | Commercial real estate loans | Agricultural
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	24,124	38,900
Year Two	34,662	32,890
Year Three	18,408	29,013
Year Four	25,398	15,091
Year Five	12,516	20,240
Prior	48,338	42,896
Revolving Loans Amortized Cost Basis	50,234	37,392
Total	213,680	216,422
Risk rating 3 | Residential real estate loans | Residential 1-4 family
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	239,934	219,885
Year Two	177,555	232,289
Year Three	246,653	370,485
Year Four	360,167	222,761
Year Five	174,195	126,372
Prior	411,783	342,594
Revolving Loans Amortized Cost Basis	112,944	120,626
Total	1,723,231	1,635,012
Risk rating 3 | Residential real estate loans | Multifamily residential
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	8,757	3,744
Year Two	32,076	11,304
Year Three	65,062	33,411
Year Four	93,737	39,828
Year Five	29,882	51,573
Prior	106,745	71,488
Revolving Loans Amortized Cost Basis	6,408	7,457
Total	342,667	218,805
Risk rating 3 | Consumer
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	202,067	268,747
Year Two	227,996	208,277
Year Three	157,682	206,878
Year Four	161,249	173,224
Year Five	143,970	87,540
Prior	272,885	234,802
Revolving Loans Amortized Cost Basis	1,066	1,152
Total	1,166,915	1,180,620
Risk rating 3 | Commercial and industrial
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	310,612	131,583
Year Two	104,236	509,552
Year Three	411,124	230,981
Year Four	130,951	60,652
Year Five	42,793	43,587
Prior	230,504	219,289
Revolving Loans Amortized Cost Basis	279,093	196,538
Total	1,509,313	1,392,182
Risk rating 3 | Agricultural & other
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	34,832	33,060
Year Two	31,167	42,562
Year Three	4,628	38,428
Year Four	35,427	26,408
Year Five	23,609	24,261
Prior	36,662	31,552
Revolving Loans Amortized Cost Basis	160,944	180,103
Total	327,269	376,374
Risk rating 4 | Commercial real estate loans | Non-farm/non-residential
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	75,032	120,700
Year Two	128,424	91,233
Year Three	91,769	531,601
Year Four	557,970	267,040
Year Five	281,611	131,943
Prior	638,385	617,978
Revolving Loans Amortized Cost Basis	238,978	313,529
Total	2,012,169	2,074,024
Risk rating 4 | Commercial real estate loans | Construction/land development
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	48,408	171,954
Year Two	177,468	173,190
Year Three	140,473	320,896
Year Four	200,466	29,010
Year Five	24,604	6,848
Prior	21,923	20,977
Revolving Loans Amortized Cost Basis	142,278	207,563
Total	755,620	930,438
Risk rating 4 | Commercial real estate loans | Agricultural
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	10,434	13,582
Year Two	14,785	10,167
Year Three	10,288	27,987
Year Four	24,219	19,765
Year Five	18,965	10,453
Prior	27,246	25,539
Revolving Loans Amortized Cost Basis	5,952	5,015
Total	111,889	112,508
Risk rating 4 | Residential real estate loans | Residential 1-4 family
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	11,589	14,380
Year Two	35,743	18,404
Year Three	15,823	43,419
Year Four	54,433	22,952
Year Five	101,407	19,318
Prior	74,661	69,811
Revolving Loans Amortized Cost Basis	82,717	93,464
Total	376,373	281,748
Risk rating 4 | Residential real estate loans | Multifamily residential
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	900	297
Year Two	666	395
Year Three	104,766	160,913
Year Four	79,191	8,908
Year Five	10,853	58,236
Prior	58,060	22,820
Revolving Loans Amortized Cost Basis	29,844	12,413
Total	284,280	263,982
Risk rating 4 | Consumer
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	3,105	7,232
Year Two	16,907	4,556
Year Three	3,422	4,926
Year Four	5,328	1,464
Year Five	1,930	161
Prior	5,468	5,626
Revolving Loans Amortized Cost Basis	123	195
Total	36,283	24,160
Risk rating 4 | Commercial and industrial
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	35,670	74,388
Year Two	59,717	53,103
Year Three	58,177	30,832
Year Four	46,197	29,032
Year Five	24,171	6,626
Prior	71,113	59,163
Revolving Loans Amortized Cost Basis	167,859	230,272
Total	462,904	483,416
Risk rating 4 | Agricultural & other
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	68,750	31,896
Year Two	8,982	2,287
Year Three	1,253	7,467
Year Four	3,138	6,998
Year Five	5,003	338
Prior	25,930	14,067
Revolving Loans Amortized Cost Basis	109,031	106,309
Total	222,087	169,362
Risk rating 5 | Commercial real estate loans | Non-farm/non-residential
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	243	27
Year Two	26	0
Year Three	535	1,266
Year Four	13,425	0
Year Five	54	1,040
Prior	23,006	9,613
Revolving Loans Amortized Cost Basis	400	343
Total	37,689	12,289
Risk rating 5 | Commercial real estate loans | Construction/land development
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	13
Year Two	2,298	0
Year Three	0	16,390
Year Four	16,039	198
Year Five	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Total	18,337	16,601
Risk rating 5 | Commercial real estate loans | Agricultural
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	54	571
Revolving Loans Amortized Cost Basis	0	0
Total	54	571
Risk rating 5 | Residential real estate loans | Residential 1-4 family
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	854
Year Two	0	1,948
Year Three	362	887
Year Four	1,394	2,263
Year Five	971	193
Prior	4,976	1,639
Revolving Loans Amortized Cost Basis	101	778
Total	7,804	8,562
Risk rating 5 | Residential real estate loans | Multifamily residential
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	44,522	0
Year Five	509	0
Prior	1,522	242
Revolving Loans Amortized Cost Basis	0	0
Total	46,553	242
Risk rating 5 | Consumer
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	2	0
Year Two	0	4
Year Three	24	8
Year Four	466	216
Year Five	203	156
Prior	1,167	407
Revolving Loans Amortized Cost Basis	0	0
Total	1,862	791
Risk rating 5 | Commercial and industrial
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	0
Year Two	19	113
Year Three	58	324
Year Four	66	4,526
Year Five	4,631	15
Prior	1,016	0
Revolving Loans Amortized Cost Basis	1,188	1,068
Total	6,978	6,046
Risk rating 5 | Agricultural & other
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	1,914
Year Two	0	0
Year Three	0	312
Year Four	1,376	0
Year Five	392	61
Prior	0	543
Revolving Loans Amortized Cost Basis	44	5
Total	1,812	2,835
Risk rating 6 | Commercial real estate loans | Non-farm/non-residential
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	11,979	33,781
Year Two	33,456	825
Year Three	1,738	33,998
Year Four	40,800	5,701
Year Five	6,540	9,892
Prior	127,461	204,535
Revolving Loans Amortized Cost Basis	0	0
Total	221,974	288,732
Risk rating 6 | Commercial real estate loans | Construction/land development
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	0
Year Two	1,681	108
Year Three	281	1,852
Year Four	405	1,182
Year Five	967	195
Prior	1,045	871
Revolving Loans Amortized Cost Basis	0	38
Total	4,379	4,246
Risk rating 6 | Commercial real estate loans | Agricultural
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	1,555
Year Five	1,531	1,084
Prior	1,234	1,228
Revolving Loans Amortized Cost Basis	174	188
Total	2,939	4,055
Risk rating 6 | Residential real estate loans | Residential 1-4 family
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	52	0
Year Two	1,292	2,630
Year Three	3,969	8,135
Year Four	8,890	2,971
Year Five	5,595	4,230
Prior	14,466	12,609
Revolving Loans Amortized Cost Basis	455	263
Total	34,719	30,838
Risk rating 6 | Residential real estate loans | Multifamily residential
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	12,647
Year Four	42,022	586
Year Five	0	0
Prior	1,073	222
Revolving Loans Amortized Cost Basis	0	0
Total	43,095	13,455
Risk rating 6 | Consumer
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	25	75
Year Two	1,029	5,741
Year Three	5,820	3,618
Year Four	855	181
Year Five	256	339
Prior	5,337	5,946
Revolving Loans Amortized Cost Basis	4	55
Total	13,326	15,955
Risk rating 6 | Commercial and industrial
Financing Receivable Allowance For Credit Losses [Line Items]
Year One	787	47,007
Year Two	40,721	3,198
Year Three	483	3,646
Year Four	830	12,617
Year Five	8,473	11
Prior	2,522	9,406
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Year Two	297	3
Year Three	109	0
Year Four	355	39
Year Five	39	57
Prior	836	663
Revolving Loans Amortized Cost Basis	109	110
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Year Two	0	0
Year Three	825	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
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Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
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Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
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Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
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Total	0	0
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Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
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Total	0	0
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Year Two	0	2
Year Three	1	0
Year Four	0	0
Year Five	0	0
Prior	0	0
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Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
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Total	0	0
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Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
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Total	0	0
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Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	509	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
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Year Two	0	0
Year Three	0	0
Year Four	0	12
Year Five	0	0
Prior	0	0
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Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
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Year Two	0	0
Year Three	0	0
Year Four	1	0
Year Five	0	0
Prior	0	1
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Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
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Total	0	0
Risk rating 8 | Consumer
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Year Two	1	1
Year Three	1	0
Year Four	1,140	6
Year Five	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
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Risk rating 8 | Commercial and industrial
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Year Two	0	0
Year Three	2	1
Year Four	0	0
Year Five	352	0
Prior	0	0
Revolving Loans Amortized Cost Basis	769	0
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Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
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Name:	us-gaap_InternalCreditAssessmentAxis=homb_AssetsClassifiedAsLossMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: