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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, 2023 | Dec. 31, 2022 | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Financial assets: |  |  |  |
Equity and other investment securities | $ 76,532 | $ 72,959 |  |
Investment securities available for sale | 9,249,600 | 3,196,166 |  |
Investment securities held to maturity | 2,432 | 2,476 |  |
Loans held for sale | 49,338 | 71,647 |  |
Loans and leases, net | 36,673,816 | 25,854,846 |  |
Restricted equity securities | 246,525 | 47,144 |  |
Residential mortgage servicing rights | 178,800 | 185,017 | $ 165,807 | $ 123,615
Bank owned life insurance | 641,922 | 331,759 |  |
Derivatives | 39,446 | 15,444 |  |
Financial liabilities: |  |  |  |
Securities sold under agreements to repurchase | 271,047 | 308,769 |  |
Borrowings | 5,950,000 | 906,175 |  |
Junior subordinated debentures, at fair value | 297,721 | 323,639 |  |
Junior and other subordinated debentures, at amortized cost | 108,066 | 87,813 |  |
Derivatives | 261,845 | 271,205 |  |
Carrying Value |  |  |  |
Financial assets: |  |  |  |
Cash and cash equivalents | 3,635,185 | 1,294,643 |  |
Equity and other investment securities | 76,532 | 72,959 |  |
Investment securities available for sale | 9,249,600 | 3,196,166 |  |
Investment securities held to maturity | 2,432 | 2,476 |  |
Loans held for sale | 49,338 | 71,647 |  |
Loans and leases, net | 36,673,816 | 25,854,846 |  |
Restricted equity securities | 246,525 | 47,144 |  |
Residential mortgage servicing rights | 178,800 | 185,017 |  |
Bank owned life insurance | 641,922 | 331,759 |  |
Derivatives | 39,446 | 15,444 |  |
Financial liabilities: |  |  |  |
Demand, money market, and savings deposits | 37,266,777 | 24,355,381 |  |
Time Deposits | 4,319,570 | 2,710,231 |  |
Securities sold under agreements to repurchase | 271,047 | 308,769 |  |
Borrowings | 5,950,000 | 906,175 |  |
Junior subordinated debentures, at fair value | 297,721 | 323,639 |  |
Junior and other subordinated debentures, at amortized cost | 108,066 | 87,813 |  |
Derivatives | 261,845 | 271,205 |  |
Fair Value |  |  |  |
Financial assets: |  |  |  |
Cash and cash equivalents | 3,635,185 | 1,294,643 |  |
Equity and other investment securities | 76,532 | 72,959 |  |
Investment securities available for sale | 9,249,600 | 3,196,166 |  |
Investment securities held to maturity | 3,175 | 3,197 |  |
Loans held for sale | 49,338 | 71,647 |  |
Loans and leases, net | 36,049,025 | 24,399,370 |  |
Restricted equity securities | 246,525 | 47,144 |  |
Residential mortgage servicing rights | 178,800 | 185,017 |  |
Bank owned life insurance | 641,922 | 331,759 |  |
Derivatives | 39,446 | 15,444 |  |
Financial liabilities: |  |  |  |
Demand, money market, and savings deposits | 37,266,777 | 24,355,381 |  |
Time Deposits | 4,271,184 | 2,667,535 |  |
Securities sold under agreements to repurchase | 271,047 | 308,769 |  |
Borrowings | 5,949,865 | 905,591 |  |
Junior subordinated debentures, at fair value | 297,721 | 323,639 |  |
Junior and other subordinated debentures, at amortized cost | 88,823 | 80,922 |  |
Derivatives | $ 261,845 | $ 271,205 |  |

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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- Definition The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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- Definition Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919253-210447 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953401-111524 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27232-111563 + Details
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- Definition Including the current and noncurrent portions, the carrying value of junior subordinated long-term debt owed to unconsolidated subsidiary trusts as of the balance sheet date. Such debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets and was initially scheduled to be repaid after one year or beyond the normal operating cycle if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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