Loans Past Due Status (Details) - USD ($)
$ in Thousands |
3 Months Ended |
9 Months Ended |
12 Months Ended |
Sep. 30, 2026 |
Sep. 30, 2026 |
Dec. 31, 2025 |
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
$ 36,519,871
|
$ 36,519,871
|
$ 31,163,614
|
| Financing Receivable, Nonaccrual |
183,436
|
183,436
|
100,428
|
| Nonaccrual Loans, Current Portion |
$ 84,400
|
$ 84,400
|
$ 31,200
|
| Percent of current nonaccrual loans |
46.00%
|
46.00%
|
31.00%
|
| Financing Receivable, Nonaccrual, Interest Income |
$ 0
|
$ 0
|
$ 0
|
| Financing Receivable, Nonaccrual, No Allowance |
19,300
|
19,300
|
14,600
|
| Commercial and Industrial Sector |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
13,804,140
|
13,804,140
|
11,799,757
|
| Financing Receivable, Nonaccrual |
64,960
|
64,960
|
7,178
|
| Commercial Real Estate Owner Occupied Portfolio [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
1,601,925
|
1,601,925
|
1,186,324
|
| Financing Receivable, Nonaccrual |
1,658
|
1,658
|
203
|
| Commercial And Business Lending [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
15,406,065
|
15,406,065
|
12,986,081
|
| Financing Receivable, Nonaccrual |
66,618
|
66,618
|
7,381
|
| Commercial Real Estate Investor Portfolio Segment [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
6,494,991
|
6,494,991
|
5,246,030
|
| Financing Receivable, Nonaccrual |
14,115
|
14,115
|
8,311
|
| Construction Loans [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
2,601,571
|
2,601,571
|
1,994,642
|
| Financing Receivable, Nonaccrual |
4,533
|
4,533
|
144
|
| Commercial Real Estate Portfolio Segment [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
9,096,562
|
9,096,562
|
7,240,672
|
| Financing Receivable, Nonaccrual |
18,648
|
18,648
|
8,455
|
| Commercial Portfolio Segment [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
24,502,627
|
24,502,627
|
20,226,753
|
| Financing Receivable, Nonaccrual |
85,266
|
85,266
|
15,836
|
| Residential Mortgage [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
6,740,214
|
6,740,214
|
6,793,957
|
| Financing Receivable, Nonaccrual |
77,924
|
77,924
|
68,492
|
| Automobile Loan [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
4,093,215
|
4,093,215
|
3,106,498
|
| Financing Receivable, Nonaccrual |
12,871
|
12,871
|
8,271
|
| Home Equity Line of Credit [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
848,507
|
848,507
|
713,271
|
| Financing Receivable, Nonaccrual |
7,320
|
7,320
|
7,774
|
| Other Consumer [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
335,308
|
335,308
|
323,135
|
| Financing Receivable, Nonaccrual |
55
|
55
|
55
|
| Consumer Loan [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
12,017,244
|
12,017,244
|
10,936,861
|
| Financing Receivable, Nonaccrual |
98,170
|
98,170
|
84,592
|
| Financial Asset, Not Past Due [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
36,247,230
|
36,247,230
|
31,002,071
|
| Financial Asset, Not Past Due [Member] | Commercial and Industrial Sector |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
13,734,457
|
13,734,457
|
11,789,526
|
| Financial Asset, Not Past Due [Member] | Commercial Real Estate Owner Occupied Portfolio [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
1,600,128
|
1,600,128
|
1,186,087
|
| Financial Asset, Not Past Due [Member] | Commercial And Business Lending [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
15,334,585
|
15,334,585
|
12,975,613
|
| Financial Asset, Not Past Due [Member] | Commercial Real Estate Investor Portfolio Segment [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
6,473,416
|
6,473,416
|
5,218,314
|
| Financial Asset, Not Past Due [Member] | Construction Loans [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
2,596,005
|
2,596,005
|
1,994,381
|
| Financial Asset, Not Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
9,069,421
|
9,069,421
|
7,212,695
|
| Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
24,404,006
|
24,404,006
|
20,188,308
|
| Financial Asset, Not Past Due [Member] | Residential Mortgage [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
6,642,025
|
6,642,025
|
6,712,330
|
| Financial Asset, Not Past Due [Member] | Automobile Loan [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
4,034,162
|
4,034,162
|
3,081,782
|
| Financial Asset, Not Past Due [Member] | Home Equity Line of Credit [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
836,179
|
836,179
|
701,719
|
| Financial Asset, Not Past Due [Member] | Other Consumer [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
330,858
|
330,858
|
317,932
|
| Financial Asset, Not Past Due [Member] | Consumer Loan [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
11,843,224
|
11,843,224
|
10,813,763
|
| Financial Asset, 30 to 59 Days Past Due [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
69,217
|
69,217
|
48,311
|
| Financial Asset, 30 to 59 Days Past Due [Member] | Commercial and Industrial Sector |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
1,052
|
1,052
|
2,153
|
| Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate Owner Occupied Portfolio [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
0
|
0
|
0
|
| Financial Asset, 30 to 59 Days Past Due [Member] | Commercial And Business Lending [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
1,052
|
1,052
|
2,153
|
| Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate Investor Portfolio Segment [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
815
|
815
|
14,148
|
| Financial Asset, 30 to 59 Days Past Due [Member] | Construction Loans [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
577
|
577
|
117
|
| Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
1,392
|
1,392
|
14,265
|
| Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
2,444
|
2,444
|
16,418
|
| Financial Asset, 30 to 59 Days Past Due [Member] | Residential Mortgage [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
19,863
|
19,863
|
13,135
|
| Financial Asset, 30 to 59 Days Past Due [Member] | Automobile Loan [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
42,075
|
42,075
|
14,340
|
| Financial Asset, 30 to 59 Days Past Due [Member] | Home Equity Line of Credit [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
3,457
|
3,457
|
2,945
|
| Financial Asset, 30 to 59 Days Past Due [Member] | Other Consumer [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
1,378
|
1,378
|
1,473
|
| Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Loan [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
66,773
|
66,773
|
31,893
|
| Financial Asset, 60 to 89 Days Past Due [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
10,559
|
10,559
|
9,990
|
| Financial Asset, 60 to 89 Days Past Due [Member] | Commercial and Industrial Sector |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
2,465
|
2,465
|
530
|
| Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate Owner Occupied Portfolio [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
139
|
139
|
34
|
| Financial Asset, 60 to 89 Days Past Due [Member] | Commercial And Business Lending [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
2,604
|
2,604
|
564
|
| Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate Investor Portfolio Segment [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
655
|
655
|
5,257
|
| Financial Asset, 60 to 89 Days Past Due [Member] | Construction Loans [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
456
|
456
|
0
|
| Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
1,111
|
1,111
|
5,257
|
| Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
3,715
|
3,715
|
5,821
|
| Financial Asset, 60 to 89 Days Past Due [Member] | Residential Mortgage [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
182
|
182
|
0
|
| Financial Asset, 60 to 89 Days Past Due [Member] | Automobile Loan [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
4,107
|
4,107
|
2,105
|
| Financial Asset, 60 to 89 Days Past Due [Member] | Home Equity Line of Credit [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
1,551
|
1,551
|
833
|
| Financial Asset, 60 to 89 Days Past Due [Member] | Other Consumer [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
1,004
|
1,004
|
1,231
|
| Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Loan [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
6,844
|
6,844
|
4,169
|
| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
9,429
|
9,429
|
2,814
|
| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial and Industrial Sector |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
1,206
|
1,206
|
370
|
| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Owner Occupied Portfolio [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
0
|
0
|
0
|
| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial And Business Lending [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
1,206
|
1,206
|
370
|
| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Investor Portfolio Segment [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
5,990
|
5,990
|
0
|
| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Construction Loans [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
0
|
0
|
0
|
| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
5,990
|
5,990
|
0
|
| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
7,196
|
7,196
|
370
|
| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Mortgage [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
220
|
220
|
0
|
| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Automobile Loan [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
0
|
0
|
0
|
| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Home Equity Line of Credit [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
0
|
0
|
0
|
| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Other Consumer [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
2,013
|
2,013
|
2,444
|
| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Loan [Member] |
|
|
|
| Financing Receivable, Past Due [Line Items] |
|
|
|
| Loans and Leases Receivable, Net of Deferred Income, Total |
$ 2,233
|
$ 2,233
|
$ 2,444
|