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Loans and Allowance for Credit Losses (Disaggregation of Credit Quality Disclosures) (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Total Commercial [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	$ 18,713,647	$ 18,601,345
Total Commercial [Member] | Pass [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	17,640,746	17,451,198
Total Commercial [Member] | Pass-Watch [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	550,702	614,792
Total Commercial [Member] | Special Mention [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	120,192	148,383
Total Commercial [Member] | Substandard [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	402,007	386,972
Residential Mortgages [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	56,722	361,057
Term Loans, Amortized Cost Basis by Origination Year, 2025	324,936	134,228
Term Loans, Amortized Cost Basis by Origination Year, 2024	127,767	400,858
Term Loans, Amortized Cost Basis by Origination Year, 2023	391,969	1,050,128
Term Loans, Amortized Cost Basis by Origination Year, 2022	1,031,985	830,347
Term Loans, Amortized Cost Basis by Origination Year, Prior	2,013,827	1,237,442
Revolving Loans	2,948	2,857
Notes Receivable Gross	3,950,154	4,016,917
Residential Mortgages [Member] | Performing [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	56,722	360,686
Term Loans, Amortized Cost Basis by Origination Year, 2025	324,309	131,928
Term Loans, Amortized Cost Basis by Origination Year, 2024	125,804	390,276
Term Loans, Amortized Cost Basis by Origination Year, 2023	379,349	1,039,884
Term Loans, Amortized Cost Basis by Origination Year, 2022	1,018,788	824,012
Term Loans, Amortized Cost Basis by Origination Year, Prior	1,990,972	1,220,288
Revolving Loans	2,948	2,857
Notes Receivable Gross	3,898,892	3,969,931
Residential Mortgages [Member] | Nonperforming [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026		371
Term Loans, Amortized Cost Basis by Origination Year, 2025	627	2,300
Term Loans, Amortized Cost Basis by Origination Year, 2024	1,963	10,582
Term Loans, Amortized Cost Basis by Origination Year, 2023	12,620	10,244
Term Loans, Amortized Cost Basis by Origination Year, 2022	13,197	6,335
Term Loans, Amortized Cost Basis by Origination Year, Prior	22,855	17,154
Notes Receivable Gross	51,262	46,986
Residential Mortgages [Member] | Gross Charge-offs [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2025		36
Term Loans, Amortized Cost Basis by Origination Year, 2024		502
Term Loans, Amortized Cost Basis by Origination Year, 2023	190	335
Term Loans, Amortized Cost Basis by Origination Year, Prior	60	49
Notes Receivable Gross	250	922
Consumer [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	28,083	50,563
Term Loans, Amortized Cost Basis by Origination Year, 2025	28,459	24,737
Term Loans, Amortized Cost Basis by Origination Year, 2024	22,377	23,312
Term Loans, Amortized Cost Basis by Origination Year, 2023	20,984	18,945
Term Loans, Amortized Cost Basis by Origination Year, 2022	16,799	9,555
Term Loans, Amortized Cost Basis by Origination Year, Prior	80,812	51,498
Revolving Loans	1,118,020	1,123,879
Revolving Loans Converted to Term Loans	12,505	37,689
Notes Receivable Gross	1,328,039	1,340,178
Consumer [Member] | Performing [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	28,083	50,512
Term Loans, Amortized Cost Basis by Origination Year, 2025	28,414	24,693
Term Loans, Amortized Cost Basis by Origination Year, 2024	22,110	22,963
Term Loans, Amortized Cost Basis by Origination Year, 2023	19,650	18,103
Term Loans, Amortized Cost Basis by Origination Year, 2022	15,463	8,928
Term Loans, Amortized Cost Basis by Origination Year, Prior	73,494	47,131
Revolving Loans	1,117,658	1,123,471
Revolving Loans Converted to Term Loans	11,435	33,674
Notes Receivable Gross	1,316,307	1,329,475
Consumer [Member] | Nonperforming [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	0	51
Term Loans, Amortized Cost Basis by Origination Year, 2025	45	44
Term Loans, Amortized Cost Basis by Origination Year, 2024	267	349
Term Loans, Amortized Cost Basis by Origination Year, 2023	1,334	842
Term Loans, Amortized Cost Basis by Origination Year, 2022	1,336	627
Term Loans, Amortized Cost Basis by Origination Year, Prior	7,318	4,367
Revolving Loans	362	408
Revolving Loans Converted to Term Loans	1,070	4,015
Notes Receivable Gross	11,732	10,703
Consumer [Member] | Gross Charge-offs [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	0	85
Term Loans, Amortized Cost Basis by Origination Year, 2025	59	952
Term Loans, Amortized Cost Basis by Origination Year, 2024	266	1,104
Term Loans, Amortized Cost Basis by Origination Year, 2023	272	1,277
Term Loans, Amortized Cost Basis by Origination Year, 2022	291	528
Term Loans, Amortized Cost Basis by Origination Year, Prior	135	695
Revolving Loans	2,926	9,228
Revolving Loans Converted to Term Loans	461	2,137
Notes Receivable Gross	4,410	16,006
Residential Mortgage and Consumer [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	5,278,193	5,357,095
Residential Mortgage and Consumer [Member] | Performing [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	5,215,199	5,299,406
Residential Mortgage and Consumer [Member] | Nonperforming [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	62,994	57,689
Commercial Non-Real Estate [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	493,201	2,071,467
Term Loans, Amortized Cost Basis by Origination Year, 2025	1,884,945	1,205,168
Term Loans, Amortized Cost Basis by Origination Year, 2024	1,064,431	838,368
Term Loans, Amortized Cost Basis by Origination Year, 2023	780,027	961,751
Term Loans, Amortized Cost Basis by Origination Year, 2022	868,826	559,830
Term Loans, Amortized Cost Basis by Origination Year, Prior	1,380,074	920,199
Revolving Loans	3,124,746	3,129,584
Revolving Loans Converted to Term Loans	114,641	122,644
Notes Receivable Gross	9,710,891	9,809,011
Commercial Non-Real Estate [Member] | Pass [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	486,599	2,030,587
Term Loans, Amortized Cost Basis by Origination Year, 2025	1,850,898	1,164,266
Term Loans, Amortized Cost Basis by Origination Year, 2024	1,020,799	711,218
Term Loans, Amortized Cost Basis by Origination Year, 2023	664,963	812,902
Term Loans, Amortized Cost Basis by Origination Year, 2022	742,221	525,095
Term Loans, Amortized Cost Basis by Origination Year, Prior	1,291,012	891,032
Revolving Loans	2,961,563	2,955,174
Revolving Loans Converted to Term Loans	104,592	90,350
Notes Receivable Gross	9,122,647	9,180,624
Commercial Non-Real Estate [Member] | Pass-Watch [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	253	24,737
Term Loans, Amortized Cost Basis by Origination Year, 2025	21,467	27,477
Term Loans, Amortized Cost Basis by Origination Year, 2024	16,094	39,683
Term Loans, Amortized Cost Basis by Origination Year, 2023	34,761	33,385
Term Loans, Amortized Cost Basis by Origination Year, 2022	30,484	12,896
Term Loans, Amortized Cost Basis by Origination Year, Prior	49,044	18,064
Revolving Loans	73,504	94,461
Revolving Loans Converted to Term Loans	1,464	15,417
Notes Receivable Gross	227,071	266,120
Commercial Non-Real Estate [Member] | Special Mention [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	0	2,405
Term Loans, Amortized Cost Basis by Origination Year, 2025	3,871	6,975
Term Loans, Amortized Cost Basis by Origination Year, 2024	12,835	6,239
Term Loans, Amortized Cost Basis by Origination Year, 2023	4,857	27,719
Term Loans, Amortized Cost Basis by Origination Year, 2022	25,181	10,564
Term Loans, Amortized Cost Basis by Origination Year, Prior	8,209	4,305
Revolving Loans	12,096	28,330
Revolving Loans Converted to Term Loans	1,245	2,192
Notes Receivable Gross	68,294	88,729
Commercial Non-Real Estate [Member] | Substandard [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	6,349	13,738
Term Loans, Amortized Cost Basis by Origination Year, 2025	8,709	6,450
Term Loans, Amortized Cost Basis by Origination Year, 2024	14,703	81,228
Term Loans, Amortized Cost Basis by Origination Year, 2023	75,446	87,745
Term Loans, Amortized Cost Basis by Origination Year, 2022	70,940	11,275
Term Loans, Amortized Cost Basis by Origination Year, Prior	31,809	6,798
Revolving Loans	77,583	51,619
Revolving Loans Converted to Term Loans	7,340	14,685
Notes Receivable Gross	292,879	273,538
Commercial Non-Real Estate [Member] | Gross Charge-offs [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	0	4,798
Term Loans, Amortized Cost Basis by Origination Year, 2025	133	2,718
Term Loans, Amortized Cost Basis by Origination Year, 2024	283	15,397
Term Loans, Amortized Cost Basis by Origination Year, 2023	4,363	2,888
Term Loans, Amortized Cost Basis by Origination Year, 2022	387	74
Term Loans, Amortized Cost Basis by Origination Year, Prior	2,239	531
Revolving Loans	474	3,722
Revolving Loans Converted to Term Loans	627	15,436
Notes Receivable Gross	8,506	45,564
Commercial Real Estate - Owner Occupied [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	145,061	647,755
Term Loans, Amortized Cost Basis by Origination Year, 2025	651,571	410,820
Term Loans, Amortized Cost Basis by Origination Year, 2024	387,804	322,445
Term Loans, Amortized Cost Basis by Origination Year, 2023	359,864	536,684
Term Loans, Amortized Cost Basis by Origination Year, 2022	511,576	480,413
Term Loans, Amortized Cost Basis by Origination Year, Prior	1,183,630	767,116
Revolving Loans	59,747	54,351
Revolving Loans Converted to Term Loans	614	50,496
Notes Receivable Gross	3,299,867	3,270,080
Commercial Real Estate - Owner Occupied [Member] | Pass [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	143,915	616,536
Term Loans, Amortized Cost Basis by Origination Year, 2025	618,064	401,399
Term Loans, Amortized Cost Basis by Origination Year, 2024	376,479	312,006
Term Loans, Amortized Cost Basis by Origination Year, 2023	350,264	461,247
Term Loans, Amortized Cost Basis by Origination Year, 2022	452,448	459,700
Term Loans, Amortized Cost Basis by Origination Year, Prior	1,116,223	711,509
Revolving Loans	58,888	51,600
Revolving Loans Converted to Term Loans	614	50,328
Notes Receivable Gross	3,116,895	3,064,325
Commercial Real Estate - Owner Occupied [Member] | Pass-Watch [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	1,146	26,766
Term Loans, Amortized Cost Basis by Origination Year, 2025	26,994	6,397
Term Loans, Amortized Cost Basis by Origination Year, 2024	9,420	2,746
Term Loans, Amortized Cost Basis by Origination Year, 2023	1,881	43,060
Term Loans, Amortized Cost Basis by Origination Year, 2022	32,074	14,187
Term Loans, Amortized Cost Basis by Origination Year, Prior	25,256	27,591
Revolving Loans	615	2,506
Revolving Loans Converted to Term Loans	0	120
Notes Receivable Gross	97,386	123,373
Commercial Real Estate - Owner Occupied [Member] | Special Mention [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	0	2,371
Term Loans, Amortized Cost Basis by Origination Year, 2025	2,357	2,202
Term Loans, Amortized Cost Basis by Origination Year, 2024	1,099	1,008
Term Loans, Amortized Cost Basis by Origination Year, 2023	638	12,024
Term Loans, Amortized Cost Basis by Origination Year, 2022	6,250	5,054
Term Loans, Amortized Cost Basis by Origination Year, Prior	5,258	293
Revolving Loans		195
Revolving Loans Converted to Term Loans		48
Notes Receivable Gross	15,602	23,195
Commercial Real Estate - Owner Occupied [Member] | Substandard [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	0	2,082
Term Loans, Amortized Cost Basis by Origination Year, 2025	4,156	822
Term Loans, Amortized Cost Basis by Origination Year, 2024	806	6,685
Term Loans, Amortized Cost Basis by Origination Year, 2023	7,081	20,353
Term Loans, Amortized Cost Basis by Origination Year, 2022	20,804	1,472
Term Loans, Amortized Cost Basis by Origination Year, Prior	36,893	27,723
Revolving Loans	244	50
Notes Receivable Gross	69,984	59,187
Commercial Real Estate - Owner Occupied [Member] | Gross Charge-offs [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2024	0	86
Term Loans, Amortized Cost Basis by Origination Year, 2022	8	2,741
Term Loans, Amortized Cost Basis by Origination Year, Prior	0	1,799
Notes Receivable Gross	8	4,626
Commercial Real Estate - Income Producing [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	255,347	1,140,627
Term Loans, Amortized Cost Basis by Origination Year, 2025	1,146,007	431,658
Term Loans, Amortized Cost Basis by Origination Year, 2024	477,340	532,132
Term Loans, Amortized Cost Basis by Origination Year, 2023	520,769	836,726
Term Loans, Amortized Cost Basis by Origination Year, 2022	779,372	564,483
Term Loans, Amortized Cost Basis by Origination Year, Prior	1,136,008	710,562
Revolving Loans	67,772	65,490
Revolving Loans Converted to Term Loans	50	1,490
Notes Receivable Gross	4,382,665	4,283,168
Commercial Real Estate - Income Producing [Member] | Pass [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	255,347	1,110,044
Term Loans, Amortized Cost Basis by Origination Year, 2025	1,055,337	416,052
Term Loans, Amortized Cost Basis by Origination Year, 2024	477,210	519,955
Term Loans, Amortized Cost Basis by Origination Year, 2023	515,599	724,326
Term Loans, Amortized Cost Basis by Origination Year, 2022	674,686	549,335
Term Loans, Amortized Cost Basis by Origination Year, Prior	1,084,031	649,996
Revolving Loans	65,341	64,217
Revolving Loans Converted to Term Loans	50	1,490
Notes Receivable Gross	4,127,601	4,035,415
Commercial Real Estate - Income Producing [Member] | Pass-Watch [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	0	22,429
Term Loans, Amortized Cost Basis by Origination Year, 2025	81,629	15,606
Term Loans, Amortized Cost Basis by Origination Year, 2024	130	4,219
Term Loans, Amortized Cost Basis by Origination Year, 2023	952	101,959
Term Loans, Amortized Cost Basis by Origination Year, 2022	93,495	4,277
Term Loans, Amortized Cost Basis by Origination Year, Prior	33,077	40,381
Revolving Loans	1,053	1,123
Revolving Loans Converted to Term Loans	0
Notes Receivable Gross	210,336	189,994
Commercial Real Estate - Income Producing [Member] | Special Mention [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	0	7,962
Term Loans, Amortized Cost Basis by Origination Year, 2025	7,955
Term Loans, Amortized Cost Basis by Origination Year, 2024	0	289
Term Loans, Amortized Cost Basis by Origination Year, 2023	285
Term Loans, Amortized Cost Basis by Origination Year, 2022	0
Revolving Loans	0
Notes Receivable Gross	8,240	8,251
Commercial Real Estate - Income Producing [Member] | Substandard [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	0	192
Term Loans, Amortized Cost Basis by Origination Year, 2025	1,086
Term Loans, Amortized Cost Basis by Origination Year, 2024	0	7,669
Term Loans, Amortized Cost Basis by Origination Year, 2023	3,933	10,441
Term Loans, Amortized Cost Basis by Origination Year, 2022	11,191	10,871
Term Loans, Amortized Cost Basis by Origination Year, Prior	18,900	20,185
Revolving Loans	1,378	150
Notes Receivable Gross	36,488	49,508
Commercial Real Estate - Income Producing [Member] | Gross Charge-offs [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2023	0	34
Notes Receivable Gross	0	34
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	4,382,665	4,283,168
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member] | Pass [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	4,127,601	4,035,415
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member] | Pass-Watch [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	210,336	189,994
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member] | Special Mention [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	8,240	8,251
Commercial Real Estate - Income Producing [Member] | Total Commercial [Member] | Substandard [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	36,488	49,508
Construction and Land Development [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	71,790	379,266
Term Loans, Amortized Cost Basis by Origination Year, 2025	434,556	359,826
Term Loans, Amortized Cost Basis by Origination Year, 2024	328,870	188,837
Term Loans, Amortized Cost Basis by Origination Year, 2023	194,311	88,693
Term Loans, Amortized Cost Basis by Origination Year, 2022	76,508	75,459
Term Loans, Amortized Cost Basis by Origination Year, Prior	88,566	15,317
Revolving Loans	121,085	131,153
Revolving Loans Converted to Term Loans	4,538	535
Notes Receivable Gross	1,320,224	1,239,086
Construction and Land Development [Member] | Pass [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	71,790	349,811
Term Loans, Amortized Cost Basis by Origination Year, 2025	430,756	358,827
Term Loans, Amortized Cost Basis by Origination Year, 2024	328,254	185,672
Term Loans, Amortized Cost Basis by Origination Year, 2023	191,007	54,798
Term Loans, Amortized Cost Basis by Origination Year, 2022	45,730	75,084
Term Loans, Amortized Cost Basis by Origination Year, Prior	87,764	14,954
Revolving Loans	113,764	131,153
Revolving Loans Converted to Term Loans	4,538	535
Notes Receivable Gross	1,273,603	1,170,834
Construction and Land Development [Member] | Pass-Watch [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	0	29,323
Term Loans, Amortized Cost Basis by Origination Year, 2025	3,651	814
Term Loans, Amortized Cost Basis by Origination Year, 2024	436	1,500
Term Loans, Amortized Cost Basis by Origination Year, 2023	1,769	3,299
Term Loans, Amortized Cost Basis by Origination Year, 2022	2,498	128
Term Loans, Amortized Cost Basis by Origination Year, Prior	277	241
Revolving Loans	7,278
Notes Receivable Gross	15,909	35,305
Construction and Land Development [Member] | Special Mention [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026	0	60
Term Loans, Amortized Cost Basis by Origination Year, 2023	0	28,036
Term Loans, Amortized Cost Basis by Origination Year, 2022	27,947	112
Term Loans, Amortized Cost Basis by Origination Year, Prior	109
Revolving Loans Converted to Term Loans	0
Notes Receivable Gross	28,056	28,208
Construction and Land Development [Member] | Substandard [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2026		72
Term Loans, Amortized Cost Basis by Origination Year, 2025	149	185
Term Loans, Amortized Cost Basis by Origination Year, 2024	180	1,665
Term Loans, Amortized Cost Basis by Origination Year, 2023	1,535	2,560
Term Loans, Amortized Cost Basis by Origination Year, 2022	333	135
Term Loans, Amortized Cost Basis by Origination Year, Prior	416	122
Revolving Loans	43
Revolving Loans Converted to Term Loans	0
Notes Receivable Gross	2,656	4,739
Construction and Land Development [Member] | Gross Charge-offs [Member]
Accounts Notes And Loans Receivable [Line Items]
Term Loans, Amortized Cost Basis by Origination Year, 2025	0
Term Loans, Amortized Cost Basis by Origination Year, 2024	0
Term Loans, Amortized Cost Basis by Origination Year, 2023	0	1,297
Term Loans, Amortized Cost Basis by Origination Year, 2022	218
Term Loans, Amortized Cost Basis by Origination Year, Prior	1	17
Notes Receivable Gross	219	1,314
Construction and Land Development [Member] | Total Commercial [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	1,320,224	1,239,086
Construction and Land Development [Member] | Total Commercial [Member] | Pass [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	1,273,603	1,170,834
Construction and Land Development [Member] | Total Commercial [Member] | Pass-Watch [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	15,909	35,305
Construction and Land Development [Member] | Total Commercial [Member] | Special Mention [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	28,056	28,208
Construction and Land Development [Member] | Total Commercial [Member] | Substandard [Member]
Accounts Notes And Loans Receivable [Line Items]
Notes Receivable Gross	$ 2,656	$ 4,739

X

- Definition

Financing receivable revolving loans converted to term loans.

+ References

No definition available.

+ Details

Name:	hwc_FinancingReceivableRevolvingLoansConvertedToTermLoans
Namespace Prefix:	hwc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
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