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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 | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | --- | --- | ---
Financial assets: |  |  |  |
Equity and other investment securities | $ 77,203 | $ 76,995 |  |
Investment securities available for sale | 8,616,545 | 8,829,870 |  |
Investment securities held to maturity | 2,247 | 2,300 |  |
Loans held for sale | 47,201 | 30,715 |  |
Loans and leases, net | 37,228,069 | 37,001,080 |  |
Restricted equity securities | 116,274 | 179,274 |  |
Residential mortgage servicing rights | 110,444 | 109,243 | $ 178,800 | $ 185,017
Bank-owned life insurance | 682,293 | 680,948 |  |
Derivatives | 114,763 | 38,085 |  |
Financial liabilities: |  |  |  |
Securities sold under agreements to repurchase | 213,573 | 252,119 |  |
Borrowings | 3,900,000 | 3,950,000 |  |
Junior subordinated debentures, at fair value | 309,544 | 316,440 |  |
Junior and other subordinated debentures, at amortized cost | 107,838 | 107,895 |  |
Derivatives | 312,489 | 261,091 |  |
Carrying Value |  |  |  |
Financial assets: |  |  |  |
Cash and cash equivalents | 2,201,117 | 2,162,534 |  |
Equity and other investment securities | 77,203 | 76,995 |  |
Investment securities available for sale | 8,616,545 | 8,829,870 |  |
Investment securities held to maturity | 2,247 | 2,300 |  |
Loans held for sale | 47,201 | 30,715 |  |
Loans and leases, net | 37,228,069 | 37,001,080 |  |
Restricted equity securities | 116,274 | 179,274 |  |
Residential mortgage servicing rights | 110,444 | 109,243 |  |
Bank-owned life insurance | 682,293 | 680,948 |  |
Derivatives | 114,763 | 38,085 |  |
Financial liabilities: |  |  |  |
Demand, money market, and savings deposits | 35,366,323 | 35,379,451 |  |
Time Deposits | 6,339,837 | 6,227,569 |  |
Securities sold under agreements to repurchase | 213,573 | 252,119 |  |
Borrowings | 3,900,000 | 3,950,000 |  |
Junior subordinated debentures, at fair value | 309,544 | 316,440 |  |
Junior and other subordinated debentures, at amortized cost | 107,838 | 107,895 |  |
Derivatives | 312,489 | 261,091 |  |
Fair Value |  |  |  |
Financial assets: |  |  |  |
Cash and cash equivalents | 2,201,117 | 2,162,534 |  |
Equity and other investment securities | 77,203 | 76,995 |  |
Investment securities available for sale | 8,616,545 | 8,829,870 |  |
Investment securities held to maturity | 2,939 | 3,025 |  |
Loans held for sale | 47,201 | 30,715 |  |
Loans and leases, net | 35,740,658 | 35,810,989 |  |
Restricted equity securities | 116,274 | 179,274 |  |
Residential mortgage servicing rights | 110,444 | 109,243 |  |
Bank-owned life insurance | 682,293 | 680,948 |  |
Derivatives | 114,763 | 38,085 |  |
Financial liabilities: |  |  |  |
Demand, money market, and savings deposits | 35,366,323 | 35,379,451 |  |
Time Deposits | 6,314,381 | 6,201,519 |  |
Securities sold under agreements to repurchase | 213,573 | 252,119 |  |
Borrowings | 3,893,589 | 3,950,037 |  |
Junior subordinated debentures, at fair value | 309,544 | 316,440 |  |
Junior and other subordinated debentures, at amortized cost | 98,867 | 97,695 |  |
Derivatives | $ 312,489 | $ 261,091 |  |

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- Definition The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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- Definition Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-12A(Column A)(Footnote 2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12(Column A)(Footnote 2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column A)(Footnote 2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-6 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column A)(Footnote 4)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480032/946-320-S99-3 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483466/210-20-50-3 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(m)(1)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(m)(1)(ii)(A)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-10 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481229/860-50-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481260/860-50-45-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481260/860-50-45-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481260/860-50-45-2 + Details
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