Loans and Leases and the Allowance for Credit Losses - Summary of Loan grades applied various classes of Commercial and Real Estate Loans (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	$ 132,354,685	$ 132,354,685	$ 131,564,163
Gross charge-offs	122,128	379,291
Revolving Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	27,515,555	27,515,555	26,197,545
Gross charge-offs	15,911	19,852
Revolving Loans Converted to Term Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	1,626,606	1,626,606	1,664,096
Gross charge-offs	1,522	3,339
Term Loans 2023 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	13,605,150	13,605,150
Gross charge-offs	9,577	17,479
Term Loans 2022 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	22,386,601	22,386,601	24,853,925
Gross charge-offs	15,404	46,324
Term Loans 2021 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	16,333,780	16,333,780	18,747,757
Gross charge-offs	8,983	32,292
Term Loans 2020 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	11,118,156	11,118,156	13,072,920
Gross charge-offs	5,091	22,500
Term Loans 2019 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	10,677,789	10,677,789	12,737,602
Gross charge-offs	8,346	99,469
Term Loans 2018 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			7,534,367
Term Loans Prior Period [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	29,091,048	29,091,048	26,755,951
Gross charge-offs	57,294	138,036
Commercial, Financial, Leasing, etc. [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	45,058,033	45,058,033	41,850,566
Gross charge-offs	26,844	67,104
Commercial, Financial, Leasing, etc. [Member] | Revolving Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	21,988,527	21,988,527	20,313,716
Gross charge-offs	6,188	6,961
Commercial, Financial, Leasing, etc. [Member] | Revolving Loans Converted to Term Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	92,565	92,565	64,599
Commercial, Financial, Leasing, etc. [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	42,593,485	42,593,485	39,621,772
Commercial, Financial, Leasing, etc. [Member] | Pass [Member] | Revolving Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	20,869,512	20,869,512	19,444,247
Commercial, Financial, Leasing, etc. [Member] | Pass [Member] | Revolving Loans Converted to Term Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	56,263	56,263	40,471
Commercial, Financial, Leasing, etc. [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	1,979,128	1,979,128	1,881,590
Commercial, Financial, Leasing, etc. [Member] | Criticized Accrual [Member] | Revolving Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	878,730	878,730	768,497
Commercial, Financial, Leasing, etc. [Member] | Criticized Accrual [Member] | Revolving Loans Converted to Term Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	26,255	26,255	17,026
Commercial, Financial, Leasing, etc. [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	485,420	485,420	347,204
Commercial, Financial, Leasing, etc. [Member] | Criticized Nonaccrual [Member] | Revolving Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	240,285	240,285	100,972
Commercial, Financial, Leasing, etc. [Member] | Criticized Nonaccrual [Member] | Revolving Loans Converted to Term Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	10,047	10,047	7,102
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2023 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	5,911,250	5,911,250
Gross charge-offs	2,124	2,959
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2023 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	5,789,909	5,789,909
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2023 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	109,004	109,004
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2023 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	12,337	12,337
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2022 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	7,339,736	7,339,736	8,841,135
Gross charge-offs	7,929	18,887
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2022 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	7,017,863	7,017,863	8,575,130
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2022 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	264,016	264,016	247,626
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2022 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	57,857	57,857	18,379
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2021 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	4,337,440	4,337,440	5,227,686
Gross charge-offs	2,998	11,108
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2021 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	4,114,909	4,114,909	4,952,758
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2021 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	180,450	180,450	222,861
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2021 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	42,081	42,081	52,067
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2020 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	1,657,961	1,657,961	2,252,579
Gross charge-offs	1,766	8,518
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2020 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	1,510,693	1,510,693	2,024,603
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2020 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	113,930	113,930	190,368
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2020 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	33,338	33,338	37,608
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2019 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	1,359,582	1,359,582	1,949,169
Gross charge-offs	2,539	7,056
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2019 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	1,238,701	1,238,701	1,796,047
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2019 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	99,434	99,434	116,881
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2019 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	21,447	21,447	36,241
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2018 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			924,743
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2018 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			817,569
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2018 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			71,485
Commercial, Financial, Leasing, etc. [Member] | Term Loans 2018 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			35,689
Commercial, Financial, Leasing, etc. [Member] | Term Loans Prior Period [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	2,370,972	2,370,972	2,276,939
Gross charge-offs	3,300	11,615
Commercial, Financial, Leasing, etc. [Member] | Term Loans Prior Period [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	1,995,635	1,995,635	1,970,947
Commercial, Financial, Leasing, etc. [Member] | Term Loans Prior Period [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	307,309	307,309	246,846
Commercial, Financial, Leasing, etc. [Member] | Term Loans Prior Period [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	68,028	68,028	59,146
Commercial [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	35,743,775	35,743,775	36,748,173
Gross charge-offs	48,093	178,334
Commercial [Member] | Revolving Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	757,640	757,640	941,189
Commercial [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	29,464,493	29,464,493	30,531,762
Commercial [Member] | Pass [Member] | Revolving Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	710,648	710,648	869,981
Commercial [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	5,043,195	5,043,195	4,819,749
Commercial [Member] | Criticized Accrual [Member] | Revolving Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	22,844	22,844	48,099
Commercial [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	1,236,087	1,236,087	1,396,662
Commercial [Member] | Criticized Nonaccrual [Member] | Revolving Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	24,148	24,148	23,109
Commercial [Member] | Term Loans 2023 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	2,554,424	2,554,424
Commercial [Member] | Term Loans 2023 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	2,553,454	2,553,454
Commercial [Member] | Term Loans 2023 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	725	725
Commercial [Member] | Term Loans 2023 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	245	245
Commercial [Member] | Term Loans 2022 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	4,263,131	4,263,131	4,473,083
Commercial [Member] | Term Loans 2022 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	3,578,095	3,578,095	4,136,890
Commercial [Member] | Term Loans 2022 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	630,132	630,132	324,652
Commercial [Member] | Term Loans 2022 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	54,904	54,904	11,541
Commercial [Member] | Term Loans 2021 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	3,482,199	3,482,199	3,865,843
Commercial [Member] | Term Loans 2021 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	2,989,307	2,989,307	3,379,900
Commercial [Member] | Term Loans 2021 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	478,637	478,637	463,484
Commercial [Member] | Term Loans 2021 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	14,255	14,255	22,459
Commercial [Member] | Term Loans 2020 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	3,633,105	3,633,105	4,040,133
Gross charge-offs		424
Commercial [Member] | Term Loans 2020 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	2,978,906	2,978,906	3,388,590
Commercial [Member] | Term Loans 2020 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	494,243	494,243	467,557
Commercial [Member] | Term Loans 2020 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	159,956	159,956	183,986
Commercial [Member] | Term Loans 2019 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	5,502,711	5,502,711	5,542,410
Gross charge-offs		77,906
Commercial [Member] | Term Loans 2019 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	4,446,005	4,446,005	4,557,065
Commercial [Member] | Term Loans 2019 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	905,654	905,654	688,239
Commercial [Member] | Term Loans 2019 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	151,052	151,052	297,106
Commercial [Member] | Term Loans 2018 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			4,401,183
Commercial [Member] | Term Loans 2018 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			3,293,380
Commercial [Member] | Term Loans 2018 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			937,421
Commercial [Member] | Term Loans 2018 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			170,382
Commercial [Member] | Term Loans Prior Period [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	15,550,565	15,550,565	13,484,332
Gross charge-offs	48,093	100,004
Commercial [Member] | Term Loans Prior Period [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	12,208,078	12,208,078	10,905,956
Commercial [Member] | Term Loans Prior Period [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	2,510,960	2,510,960	1,890,297
Commercial [Member] | Term Loans Prior Period [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	831,527	831,527	688,079
Residential Builder and Developer [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	1,100,494	1,100,494	1,314,730
Gross charge-offs	245	1,978
Residential Builder and Developer [Member] | Revolving Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	134,502	134,502	181,219
Gross charge-offs		1,678
Residential Builder and Developer [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	994,461	994,461	1,117,256
Residential Builder and Developer [Member] | Pass [Member] | Revolving Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	133,839	133,839	150,404
Residential Builder and Developer [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	102,680	102,680	196,245
Residential Builder and Developer [Member] | Criticized Accrual [Member] | Revolving Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	663	663	30,815
Residential Builder and Developer [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	3,353	3,353	1,229
Residential Builder and Developer [Member] | Term Loans 2023 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	433,648	433,648
Residential Builder and Developer [Member] | Term Loans 2023 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	433,338	433,338
Residential Builder and Developer [Member] | Term Loans 2023 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	310	310
Residential Builder and Developer [Member] | Term Loans 2022 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	349,547	349,547	683,731
Gross charge-offs	245	245
Residential Builder and Developer [Member] | Term Loans 2022 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	337,680	337,680	680,705
Residential Builder and Developer [Member] | Term Loans 2022 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	11,867	11,867	2,969
Residential Builder and Developer [Member] | Term Loans 2022 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			57
Residential Builder and Developer [Member] | Term Loans 2021 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	95,447	95,447	259,205
Residential Builder and Developer [Member] | Term Loans 2021 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	67,233	67,233	230,079
Residential Builder and Developer [Member] | Term Loans 2021 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	25,379	25,379	28,472
Residential Builder and Developer [Member] | Term Loans 2021 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	2,835	2,835	654
Residential Builder and Developer [Member] | Term Loans 2020 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	6,818	6,818	21,232
Residential Builder and Developer [Member] | Term Loans 2020 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	6,818	6,818	11,280
Residential Builder and Developer [Member] | Term Loans 2020 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			9,952
Residential Builder and Developer [Member] | Term Loans 2019 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	66,693	66,693	131,597
Residential Builder and Developer [Member] | Term Loans 2019 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	2,050	2,050	22,111
Residential Builder and Developer [Member] | Term Loans 2019 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	64,125	64,125	108,968
Residential Builder and Developer [Member] | Term Loans 2019 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	518	518	518
Residential Builder and Developer [Member] | Term Loans 2018 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			27,881
Residential Builder and Developer [Member] | Term Loans 2018 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			12,812
Residential Builder and Developer [Member] | Term Loans 2018 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			15,069
Residential Builder and Developer [Member] | Term Loans Prior Period [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	13,839	13,839	9,865
Gross charge-offs		55
Residential Builder and Developer [Member] | Term Loans Prior Period [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	13,503	13,503	9,865
Residential Builder and Developer [Member] | Term Loans Prior Period [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	336	336
Other Commercial Construction [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	6,729,329	6,729,329	7,301,668
Gross charge-offs	3,236	3,236
Other Commercial Construction [Member] | Revolving Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	23,129	23,129	18,001
Other Commercial Construction [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	4,508,838	4,508,838	5,204,061
Other Commercial Construction [Member] | Pass [Member] | Revolving Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	20,171	20,171	15,575
Other Commercial Construction [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	2,084,487	2,084,487	1,972,670
Other Commercial Construction [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	136,004	136,004	124,937
Other Commercial Construction [Member] | Criticized Nonaccrual [Member] | Revolving Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	2,958	2,958	2,426
Other Commercial Construction [Member] | Term Loans 2023 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	643,494	643,494
Other Commercial Construction [Member] | Term Loans 2023 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	636,314	636,314
Other Commercial Construction [Member] | Term Loans 2023 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	7,180	7,180
Other Commercial Construction [Member] | Term Loans 2022 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	1,612,619	1,612,619	1,070,667
Other Commercial Construction [Member] | Term Loans 2022 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	1,481,975	1,481,975	1,032,774
Other Commercial Construction [Member] | Term Loans 2022 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	130,644	130,644	37,893
Other Commercial Construction [Member] | Term Loans 2021 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	1,218,228	1,218,228	1,235,332
Other Commercial Construction [Member] | Term Loans 2021 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	1,023,831	1,023,831	1,080,141
Other Commercial Construction [Member] | Term Loans 2021 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	184,379	184,379	145,199
Other Commercial Construction [Member] | Term Loans 2021 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	10,018	10,018	9,992
Other Commercial Construction [Member] | Term Loans 2020 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	1,254,377	1,254,377	1,590,345
Other Commercial Construction [Member] | Term Loans 2020 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	676,613	676,613	1,225,845
Other Commercial Construction [Member] | Term Loans 2020 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	531,138	531,138	320,463
Other Commercial Construction [Member] | Term Loans 2020 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	46,626	46,626	44,037
Other Commercial Construction [Member] | Term Loans 2019 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	1,353,034	1,353,034	2,246,897
Gross charge-offs	3,236	3,236
Other Commercial Construction [Member] | Term Loans 2019 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	465,423	465,423	1,185,685
Other Commercial Construction [Member] | Term Loans 2019 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	837,446	837,446	1,025,371
Other Commercial Construction [Member] | Term Loans 2019 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	50,165	50,165	35,841
Other Commercial Construction [Member] | Term Loans 2018 [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			676,578
Other Commercial Construction [Member] | Term Loans 2018 [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			366,686
Other Commercial Construction [Member] | Term Loans 2018 [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			299,350
Other Commercial Construction [Member] | Term Loans 2018 [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount			10,542
Other Commercial Construction [Member] | Term Loans Prior Period [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	624,448	624,448	463,848
Other Commercial Construction [Member] | Term Loans Prior Period [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	204,511	204,511	297,355
Other Commercial Construction [Member] | Term Loans Prior Period [Member] | Criticized Accrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	393,700	393,700	144,394
Other Commercial Construction [Member] | Term Loans Prior Period [Member] | Criticized Nonaccrual [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and leases, net of unearned discount	$ 26,237	$ 26,237	$ 22,099