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Fair Value Measurement (Schedule Of Carrying Value And Fair Value Of Financial Instruments Not Recorded At Fair Value) (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Financial assets: |  |
Equity and other investment securities | $ 92,958 | $ 78,133
Investment securities available for sale | 8,653,172 | 8,274,615
Investment securities held to maturity | 2,013 | 2,101
Loans held for sale | 65,590 | 71,535
Loans and leases, net (1) | 37,216,106 | 37,256,272
Restricted equity securities | 161,380 | 150,024
Residential mortgage servicing rights | 102,863 | 108,358
Bank-owned life insurance | 704,919 | 693,839
Derivatives | 91,789 | 108,638
Financial liabilities: |  |
Securities sold under agreements to repurchase | 191,435 | 236,627
Borrowings | 3,350,000 | 3,100,000
Junior subordinated debentures, at fair value | 323,015 | 330,895
Junior and other subordinated debentures, at amortized cost | 107,554 | 107,668
Derivatives | 201,757 | 280,619
Loans and leases, at fair value | 177,900 | 168,800
Carrying Value |  |
Financial assets: |  |
Cash and cash equivalents | 1,942,170 | 1,878,255
Equity and other investment securities | 92,958 | 78,133
Investment securities available for sale | 8,653,172 | 8,274,615
Investment securities held to maturity | 2,013 | 2,101
Loans held for sale | 65,590 | 71,535
Loans and leases, net (1) | 37,216,106 | 37,256,272
Restricted equity securities | 161,380 | 150,024
Residential mortgage servicing rights | 102,863 | 108,358
Bank-owned life insurance | 704,919 | 693,839
Derivatives | 91,789 | 108,638
Financial liabilities: |  |
Demand, money market, and savings deposits | 35,524,096 | 35,618,693
Time Deposits | 6,218,561 | 6,102,039
Securities sold under agreements to repurchase | 191,435 | 236,627
Borrowings | 3,350,000 | 3,100,000
Junior subordinated debentures, at fair value | 323,015 | 330,895
Junior and other subordinated debentures, at amortized cost | 107,554 | 107,668
Derivatives | 201,757 | 280,619
Fair Value |  |
Financial assets: |  |
Cash and cash equivalents | 1,942,170 | 1,878,255
Equity and other investment securities | 92,958 | 78,133
Investment securities available for sale | 8,653,172 | 8,274,615
Investment securities held to maturity | 2,585 | 2,703
Loans held for sale | 65,590 | 71,535
Loans and leases, net (1) | 36,059,937 | 35,689,803
Restricted equity securities | 161,380 | 150,024
Residential mortgage servicing rights | 102,863 | 108,358
Bank-owned life insurance | 704,919 | 693,839
Derivatives | 91,789 | 108,638
Financial liabilities: |  |
Demand, money market, and savings deposits | 35,524,096 | 35,618,693
Time Deposits | 6,203,196 | 6,088,430
Securities sold under agreements to repurchase | 191,435 | 236,627
Borrowings | 3,350,086 | 3,101,866
Junior subordinated debentures, at fair value | 323,015 | 330,895
Junior and other subordinated debentures, at amortized cost | 103,773 | 104,216
Derivatives | $ 201,757 | $ 280,619

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