Fair Value Of Financial Instruments (Schedule Of Estimated Fair Value Of Financial Instruments) (Details) - USD ($)
$ in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
| Carrying Amount |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
$ 17,665,468
|
$ 17,220,103
|
| Loans held for sale |
|
3,592
|
3,242
|
| Investment securities |
|
9,227,413
|
9,453,297
|
| Federal Funds Sold |
|
0
|
3,000
|
| Securities purchased under agreements to resell |
|
850,000
|
625,000
|
| Interest earning deposits with banks |
|
2,624,264
|
2,624,553
|
| Cash and due from banks |
|
522,049
|
748,357
|
| Derivative Asset |
|
74,222
|
62,648
|
| Assets held in trust for deferred compensation plan |
|
22,456
|
21,849
|
| Assets, Fair Value Financial Instruments |
|
30,989,464
|
30,762,049
|
| Non-interest bearing deposits |
|
7,393,559
|
8,150,669
|
| Savings, interest checking and money market deposits |
|
15,727,549
|
14,754,571
|
| Certificates of deposits |
|
2,372,920
|
2,388,404
|
| Federal funds purchased |
|
125,975
|
123,715
|
| Securities sold under agreements to repurchase |
|
2,470,486
|
2,803,043
|
| Other borrowings |
|
14,975
|
0
|
| Derivative Liabilities |
|
23,277
|
26,963
|
| Liabilities held in trust for deferred compensation plan |
|
22,456
|
21,849
|
| Financial Liabilities Fair Value Disclosure |
|
28,151,197
|
28,269,214
|
| Carrying Amount | Business Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
6,328,684
|
6,053,820
|
| Carrying Amount | Real estate - construction and land |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
1,405,398
|
1,409,901
|
| Carrying Amount | Business Real Estate Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
3,757,778
|
3,661,218
|
| Carrying Amount | Personal Real Estate Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
3,058,845
|
3,058,195
|
| Carrying Amount | Consumer Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
2,157,867
|
2,073,123
|
| Carrying Amount | Revolving home equity |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
364,429
|
356,650
|
| Carrying Amount | Credit Card Receivable [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
576,151
|
595,930
|
| Carrying Amount | Overdrafts |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
16,316
|
11,266
|
| Estimate of Fair Value Measurement [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
17,137,229
|
16,593,252
|
| Loans held for sale |
|
3,592
|
3,242
|
| Investment securities |
|
9,227,413
|
9,453,297
|
| Federal Funds Sold |
|
0
|
3,000
|
| Securities purchased under agreements to resell |
|
876,442
|
622,021
|
| Interest earning deposits with banks |
|
2,624,264
|
2,624,553
|
| Cash and due from banks |
|
522,049
|
748,357
|
| Derivative Asset |
|
74,222
|
62,648
|
| Assets held in trust for deferred compensation plan |
|
22,456
|
21,849
|
| Assets, Fair Value Financial Instruments |
|
30,487,667
|
30,132,219
|
| Non-interest bearing deposits |
|
7,393,559
|
8,150,669
|
| Savings, interest checking and money market deposits |
|
15,727,549
|
14,754,571
|
| Certificates of deposits |
|
2,399,532
|
2,409,537
|
| Federal funds purchased |
|
125,975
|
123,715
|
| Securities sold under agreements to repurchase |
|
2,473,298
|
2,806,428
|
| Other borrowings |
|
14,975
|
0
|
| Derivative Liabilities |
|
23,277
|
26,963
|
| Liabilities held in trust for deferred compensation plan |
|
22,456
|
21,849
|
| Financial Liabilities Fair Value Disclosure |
|
28,180,621
|
28,293,732
|
| Estimate of Fair Value Measurement [Member] | Business Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
6,254,565
|
5,943,565
|
| Estimate of Fair Value Measurement [Member] | Real estate - construction and land |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
1,381,719
|
1,384,029
|
| Estimate of Fair Value Measurement [Member] | Business Real Estate Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
3,697,770
|
3,558,862
|
| Estimate of Fair Value Measurement [Member] | Personal Real Estate Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
2,762,320
|
2,738,880
|
| Estimate of Fair Value Measurement [Member] | Consumer Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
2,142,476
|
2,053,191
|
| Estimate of Fair Value Measurement [Member] | Revolving home equity |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
361,334
|
353,731
|
| Estimate of Fair Value Measurement [Member] | Credit Card Receivable [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
520,865
|
549,874
|
| Estimate of Fair Value Measurement [Member] | Overdrafts |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
16,180
|
11,120
|
| Estimate of Fair Value Measurement [Member] | Level 1 |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Loans held for sale |
|
0
|
0
|
| Investment securities |
|
2,655,776
|
2,613,830
|
| Federal Funds Sold |
|
0
|
3,000
|
| Securities purchased under agreements to resell |
|
0
|
0
|
| Interest earning deposits with banks |
|
2,624,264
|
2,624,553
|
| Cash and due from banks |
|
522,049
|
748,357
|
| Derivative Asset |
|
0
|
0
|
| Assets held in trust for deferred compensation plan |
|
22,456
|
21,849
|
| Assets, Fair Value Financial Instruments |
|
5,824,545
|
6,011,589
|
| Non-interest bearing deposits |
|
7,393,559
|
8,150,669
|
| Savings, interest checking and money market deposits |
|
15,727,549
|
14,754,571
|
| Certificates of deposits |
|
0
|
0
|
| Federal funds purchased |
|
125,975
|
123,715
|
| Securities sold under agreements to repurchase |
|
0
|
0
|
| Other borrowings |
|
359
|
0
|
| Derivative Liabilities |
|
0
|
0
|
| Liabilities held in trust for deferred compensation plan |
|
22,456
|
21,849
|
| Financial Liabilities Fair Value Disclosure |
|
23,269,898
|
23,050,804
|
| Estimate of Fair Value Measurement [Member] | Level 1 | Business Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Estimate of Fair Value Measurement [Member] | Level 1 | Real estate - construction and land |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Estimate of Fair Value Measurement [Member] | Level 1 | Business Real Estate Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Estimate of Fair Value Measurement [Member] | Level 1 | Personal Real Estate Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Estimate of Fair Value Measurement [Member] | Level 1 | Consumer Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Estimate of Fair Value Measurement [Member] | Level 1 | Revolving home equity |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Estimate of Fair Value Measurement [Member] | Level 1 | Credit Card Receivable [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Estimate of Fair Value Measurement [Member] | Level 1 | Overdrafts |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Estimate of Fair Value Measurement [Member] | Level 2 |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Loans held for sale |
|
3,592
|
3,242
|
| Investment securities |
|
6,350,781
|
6,608,452
|
| Federal Funds Sold |
|
0
|
0
|
| Securities purchased under agreements to resell |
|
0
|
0
|
| Interest earning deposits with banks |
|
0
|
0
|
| Cash and due from banks |
|
0
|
0
|
| Derivative Asset |
|
73,882
|
62,555
|
| Assets held in trust for deferred compensation plan |
|
0
|
0
|
| Assets, Fair Value Financial Instruments |
|
6,428,255
|
6,674,249
|
| Non-interest bearing deposits |
|
0
|
0
|
| Savings, interest checking and money market deposits |
|
0
|
0
|
| Certificates of deposits |
|
0
|
0
|
| Federal funds purchased |
|
0
|
0
|
| Securities sold under agreements to repurchase |
|
0
|
0
|
| Other borrowings |
|
14,616
|
0
|
| Derivative Liabilities |
|
23,150
|
26,905
|
| Liabilities held in trust for deferred compensation plan |
|
0
|
0
|
| Financial Liabilities Fair Value Disclosure |
|
37,766
|
26,905
|
| Estimate of Fair Value Measurement [Member] | Level 2 | Business Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Estimate of Fair Value Measurement [Member] | Level 2 | Real estate - construction and land |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Estimate of Fair Value Measurement [Member] | Level 2 | Business Real Estate Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Estimate of Fair Value Measurement [Member] | Level 2 | Personal Real Estate Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Estimate of Fair Value Measurement [Member] | Level 2 | Consumer Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Estimate of Fair Value Measurement [Member] | Level 2 | Revolving home equity |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Estimate of Fair Value Measurement [Member] | Level 2 | Credit Card Receivable [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Estimate of Fair Value Measurement [Member] | Level 2 | Overdrafts |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
0
|
0
|
| Estimate of Fair Value Measurement [Member] | Significant Unobservable Inputs (Level 3) |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
17,137,229
|
16,593,252
|
| Loans held for sale |
|
0
|
0
|
| Investment securities |
|
220,856
|
231,015
|
| Federal Funds Sold |
|
0
|
0
|
| Securities purchased under agreements to resell |
|
876,442
|
622,021
|
| Interest earning deposits with banks |
|
0
|
0
|
| Cash and due from banks |
|
0
|
0
|
| Derivative Asset |
|
340
|
93
|
| Assets held in trust for deferred compensation plan |
|
0
|
0
|
| Assets, Fair Value Financial Instruments |
|
18,234,867
|
17,446,381
|
| Non-interest bearing deposits |
|
0
|
0
|
| Savings, interest checking and money market deposits |
|
0
|
0
|
| Certificates of deposits |
|
2,399,532
|
2,409,537
|
| Federal funds purchased |
|
0
|
0
|
| Securities sold under agreements to repurchase |
|
2,473,298
|
2,806,428
|
| Other borrowings |
|
0
|
0
|
| Derivative Liabilities |
|
127
|
58
|
| Liabilities held in trust for deferred compensation plan |
|
0
|
0
|
| Financial Liabilities Fair Value Disclosure |
|
4,872,957
|
5,216,023
|
| Estimate of Fair Value Measurement [Member] | Significant Unobservable Inputs (Level 3) | Business Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
6,254,565
|
5,943,565
|
| Estimate of Fair Value Measurement [Member] | Significant Unobservable Inputs (Level 3) | Real estate - construction and land |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
1,381,719
|
1,384,029
|
| Estimate of Fair Value Measurement [Member] | Significant Unobservable Inputs (Level 3) | Business Real Estate Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
3,697,770
|
3,558,862
|
| Estimate of Fair Value Measurement [Member] | Significant Unobservable Inputs (Level 3) | Personal Real Estate Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
2,762,320
|
2,738,880
|
| Estimate of Fair Value Measurement [Member] | Significant Unobservable Inputs (Level 3) | Consumer Loan [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
2,142,476
|
2,053,191
|
| Estimate of Fair Value Measurement [Member] | Significant Unobservable Inputs (Level 3) | Revolving home equity |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
361,334
|
353,731
|
| Estimate of Fair Value Measurement [Member] | Significant Unobservable Inputs (Level 3) | Credit Card Receivable [Member] |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
520,865
|
549,874
|
| Estimate of Fair Value Measurement [Member] | Significant Unobservable Inputs (Level 3) | Overdrafts |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Loans |
|
16,180
|
11,120
|
| Federal Funds Sold |
|
0
|
3,000
|
| Securities purchased under agreements to resell |
|
850,000
|
625,000
|
| Interest earning deposits with banks |
|
2,624,264
|
2,624,553
|
| Cash and due from banks |
|
522,049
|
748,357
|
| Derivative Asset |
[1] |
74,222
|
62,648
|
| Assets held in trust for deferred compensation plan |
|
22,456
|
21,849
|
| Non-interest bearing deposits |
|
7,393,559
|
8,150,669
|
| Savings, interest checking and money market deposits |
|
15,727,549
|
14,754,571
|
| Other borrowings |
|
15,049
|
56
|
| Derivative Liabilities |
[1] |
23,277
|
26,963
|
| Liabilities held in trust for deferred compensation plan |
|
22,456
|
21,849
|
| Level 1 |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Derivative Asset |
[1] |
0
|
0
|
| Assets held in trust for deferred compensation plan |
|
22,456
|
21,849
|
| Derivative Liabilities |
[1] |
0
|
0
|
| Liabilities held in trust for deferred compensation plan |
|
22,456
|
21,849
|
| Level 2 |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Derivative Asset |
[1] |
73,882
|
62,555
|
| Assets held in trust for deferred compensation plan |
|
0
|
0
|
| Derivative Liabilities |
[1] |
23,150
|
26,905
|
| Liabilities held in trust for deferred compensation plan |
|
0
|
0
|
| Significant Unobservable Inputs (Level 3) |
|
|
|
| Fair Value, Balance Sheet Grouping [Line Items] |
|
|
|
| Derivative Asset |
[1] |
340
|
93
|
| Assets held in trust for deferred compensation plan |
|
0
|
0
|
| Derivative Liabilities |
[1] |
127
|
58
|
| Liabilities held in trust for deferred compensation plan |
|
$ 0
|
$ 0
|
|
|