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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 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Financial assets: |  |  |  |
Equity and other investment securities | $ 76,995 | $ 72,959 |  |
Investment securities available for sale | 8,829,870 | 3,196,166 |  |
Investment securities held to maturity | 2,300 | 2,476 |  |
Loans held for sale, at fair value | 30,715 | 71,647 |  |
Loans and leases, net | 37,001,080 | 25,854,846 |  |
Restricted equity securities | 179,274 | 47,144 |  |
Residential mortgage servicing rights | 109,243 | 185,017 | $ 123,615 | $ 92,907
Bank owned life insurance | 680,948 | 331,759 |  |
Derivatives | 38,085 | 15,444 |  |
Financial liabilities: |  |  |  |
Demand, money market, and savings deposits | 41,607,020 | 27,065,612 |  |
Time deposits | 6,227,569 |  |  |
Securities sold under agreements to repurchase | 252,119 | 308,769 |  |
Borrowings | 3,950,000 | 906,175 |  |
Junior subordinated debentures, at fair value | 316,440 | 323,639 |  |
Junior and other subordinated debentures, at amortized cost | 107,895 | 87,813 |  |
Derivatives | 261,091 | 271,205 |  |
Carrying Value |  |  |  |
Financial assets: |  |  |  |
Cash and cash equivalents | 2,162,534 | 1,294,643 |  |
Equity and other investment securities | 76,995 | 72,959 |  |
Investment securities available for sale | 8,829,870 | 3,196,166 |  |
Investment securities held to maturity | 2,300 | 2,476 |  |
Loans held for sale, at fair value | 30,715 | 71,647 |  |
Loans and leases, net | 37,001,080 | 25,854,846 |  |
Restricted equity securities | 179,274 | 47,144 |  |
Residential mortgage servicing rights | 109,243 | 185,017 |  |
Bank owned life insurance | 680,948 | 331,759 |  |
Derivatives | 38,085 | 15,444 |  |
Financial liabilities: |  |  |  |
Demand, money market, and savings deposits | 35,379,451 | 24,355,381 |  |
Time deposits | 6,227,569 | 2,710,231 |  |
Securities sold under agreements to repurchase | 252,119 | 308,769 |  |
Borrowings | 3,950,000 | 906,175 |  |
Junior subordinated debentures, at fair value | 316,440 | 323,639 |  |
Junior and other subordinated debentures, at amortized cost | 107,895 | 87,813 |  |
Derivatives | 261,091 | 271,205 |  |
Fair Value |  |  |  |
Financial assets: |  |  |  |
Cash and cash equivalents | 2,162,534 | 1,294,643 |  |
Equity and other investment securities | 76,995 | 72,959 |  |
Investment securities available for sale | 8,829,870 | 3,196,166 |  |
Investment securities held to maturity | 3,025 | 3,197 |  |
Loans held for sale, at fair value | 30,715 | 71,647 |  |
Loans and leases, net | 35,810,989 | 24,399,370 |  |
Restricted equity securities | 179,274 | 47,144 |  |
Residential mortgage servicing rights | 109,243 | 185,017 |  |
Bank owned life insurance | 680,948 | 331,759 |  |
Derivatives | 38,085 | 15,444 |  |
Financial liabilities: |  |  |  |
Demand, money market, and savings deposits | 35,379,451 | 24,355,381 |  |
Time deposits | 6,201,519 | 2,667,535 |  |
Securities sold under agreements to repurchase | 252,119 | 308,769 |  |
Borrowings | 3,950,037 | 905,591 |  |
Junior subordinated debentures, at fair value | 316,440 | 323,639 |  |
Junior and other subordinated debentures, at amortized cost | 97,695 | 80,922 |  |
Derivatives | $ 261,091 | $ 271,205 |  |

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