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Fair Value Measurement and Fair Value of Financial Instruments - Financial Assets and Liabilities Measurement on Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Debt securities available-for-sale |  |
Investments in Tax Credit and Other Investments, Net | $ 350,003 | $ 338,522
Derivative |  |
Derivative assets - Fair value | 755,328 | 484,184
Derivative asset, after netting | 140,545 | 383,231
Derivative liabilities - Fair Value | 887,264 | 390,171
Derivative liability, after netting | 644,519 | 157,444
Fair Value, Measurements, Recurring |  |
Debt securities available-for-sale |  |
Fair Value | 6,034,993 | 9,965,353
Equity Securities with readily determinable fair value | 23,954 | 26,604
Investments in Tax Credit and Other Investments, Net | 23,954 | 26,604
Derivative |  |
Derivative assets - Fair value | 755,328 | 484,184
Netting adjustments | (614,783) | (100,953)
Derivative asset, after netting | 140,545 | 383,231
Derivative liabilities - Fair Value | 887,264 | 390,171
Netting adjustments | (242,745) | (232,727)
Derivative liability, after netting | 644,519 | 157,444
Fair Value, Measurements, Recurring | Interest rate contracts |  |
Derivative |  |
Derivative assets - Fair value | 440,283 | 240,222
Derivative liabilities - Fair Value | 584,516 | 180,130
Fair Value, Measurements, Recurring | Foreign exchange contracts |  |
Derivative |  |
Derivative assets - Fair value | 53,109 | 21,033
Derivative liabilities - Fair Value | 44,117 | 15,333
Fair Value, Measurements, Recurring | Credit contracts |  |
Derivative |  |
Derivative liabilities - Fair Value | 23 | 141
Fair Value, Measurements, Recurring | Equity contracts |  |
Derivative |  |
Derivative assets - Fair value | 323 | 220
Fair Value, Measurements, Recurring | Commodity contracts |  |
Derivative |  |
Derivative assets - Fair value | 261,613 | 222,709
Derivative liabilities - Fair Value | 258,608 | 194,567
Fair Value, Measurements, Recurring | U.S. Treasury securities |  |
Debt securities available-for-sale |  |
Fair Value | 606,203 | 1,032,681
Fair Value, Measurements, Recurring | U.S. government agency and U.S. government-sponsored enterprise debt securities |  |
Debt securities available-for-sale |  |
Fair Value | 461,607 | 1,301,971
Fair Value, Measurements, Recurring | US government agencies And U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities |  |
Debt securities available-for-sale |  |
Fair Value | 500,269 | 1,228,980
Fair Value, Measurements, Recurring | US government agencies And U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities |  |
Debt securities available-for-sale |  |
Fair Value | 1,762,195 | 2,928,283
Fair Value, Measurements, Recurring | Municipal securities: |  |
Debt securities available-for-sale |  |
Fair Value | 257,099 | 523,158
Fair Value, Measurements, Recurring | Non-agency commercial mortgage-backed Securities |  |
Debt securities available-for-sale |  |
Fair Value | 398,329 | 496,443
Fair Value, Measurements, Recurring | Non-agency residential mortgage-backed Securities |  |
Debt securities available-for-sale |  |
Fair Value | 649,224 | 881,931
Fair Value, Measurements, Recurring | Corporate debt securities |  |
Debt securities available-for-sale |  |
Fair Value | 526,274 | 649,665
Fair Value, Measurements, Recurring | Foreign government bonds |  |
Debt securities available-for-sale |  |
Fair Value | 227,053 | 257,733
Fair Value, Measurements, Recurring | Asset-backed securities |  |
Debt securities available-for-sale |  |
Fair Value | 49,076 | 74,558
Fair Value, Measurements, Recurring | Collateralized loan obligations (“CLOs”) |  |
Debt securities available-for-sale |  |
Fair Value | 597,664 | 589,950
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Debt securities available-for-sale |  |
Fair Value | 606,203 | 1,032,681
Equity Securities with readily determinable fair value | 19,777 | 22,130
Investments in Tax Credit and Other Investments, Net | 19,777 | 22,130
Derivative |  |
Derivative assets - Fair value | 0 | 0
Netting adjustments | 0 | 0
Derivative asset, after netting | 0 | 0
Derivative liabilities - Fair Value | 0 | 0
Netting adjustments | 0 | 0
Derivative liability, after netting | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest rate contracts |  |
Derivative |  |
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign exchange contracts |  |
Derivative |  |
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Credit contracts |  |
Derivative |  |
Derivative liabilities - Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity contracts |  |
Derivative |  |
Derivative assets - Fair value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Commodity contracts |  |
Derivative |  |
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Treasury securities |  |
Debt securities available-for-sale |  |
Fair Value | 606,203 | 1,032,681
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. government agency and U.S. government-sponsored enterprise debt securities |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | US government agencies And U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | US government agencies And U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Municipal securities: |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-agency commercial mortgage-backed Securities |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-agency residential mortgage-backed Securities |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate debt securities |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign government bonds |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Asset-backed securities |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Collateralized loan obligations (“CLOs”) |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) |  |
Debt securities available-for-sale |  |
Fair Value | 5,428,790 | 8,932,672
Equity Securities with readily determinable fair value | 4,177 | 4,474
Investments in Tax Credit and Other Investments, Net | 4,177 | 4,474
Derivative |  |
Derivative assets - Fair value | 755,005 | 483,969
Netting adjustments | (614,783) | (100,953)
Derivative asset, after netting | 140,222 | 383,016
Derivative liabilities - Fair Value | 887,264 | 390,171
Netting adjustments | (242,745) | (232,727)
Derivative liability, after netting | 644,519 | 157,444
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Interest rate contracts |  |
Derivative |  |
Derivative assets - Fair value | 440,283 | 240,222
Derivative liabilities - Fair Value | 584,516 | 180,130
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Foreign exchange contracts |  |
Derivative |  |
Derivative assets - Fair value | 53,109 | 21,033
Derivative liabilities - Fair Value | 44,117 | 15,333
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Credit contracts |  |
Derivative |  |
Derivative liabilities - Fair Value | 23 | 141
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Equity contracts |  |
Derivative |  |
Derivative assets - Fair value | 0 | 5
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Commodity contracts |  |
Derivative |  |
Derivative assets - Fair value | 261,613 | 222,709
Derivative liabilities - Fair Value | 258,608 | 194,567
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | U.S. Treasury securities |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | U.S. government agency and U.S. government-sponsored enterprise debt securities |  |
Debt securities available-for-sale |  |
Fair Value | 461,607 | 1,301,971
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | US government agencies And U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities |  |
Debt securities available-for-sale |  |
Fair Value | 500,269 | 1,228,980
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | US government agencies And U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities |  |
Debt securities available-for-sale |  |
Fair Value | 1,762,195 | 2,928,283
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Municipal securities: |  |
Debt securities available-for-sale |  |
Fair Value | 257,099 | 523,158
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Non-agency commercial mortgage-backed Securities |  |
Debt securities available-for-sale |  |
Fair Value | 398,329 | 496,443
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Non-agency residential mortgage-backed Securities |  |
Debt securities available-for-sale |  |
Fair Value | 649,224 | 881,931
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Corporate debt securities |  |
Debt securities available-for-sale |  |
Fair Value | 526,274 | 649,665
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Foreign government bonds |  |
Debt securities available-for-sale |  |
Fair Value | 227,053 | 257,733
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Asset-backed securities |  |
Debt securities available-for-sale |  |
Fair Value | 49,076 | 74,558
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Collateralized loan obligations (“CLOs”) |  |
Debt securities available-for-sale |  |
Fair Value | 597,664 | 589,950
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Equity Securities with readily determinable fair value | 0 | 0
Investments in Tax Credit and Other Investments, Net | 0 | 0
Derivative |  |
Derivative assets - Fair value | 323 | 215
Netting adjustments | 0 | 0
Derivative asset, after netting | 323 | 215
Derivative liabilities - Fair Value | 0 | 0
Netting adjustments | 0 | 0
Derivative liability, after netting | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Interest rate contracts |  |
Derivative |  |
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Foreign exchange contracts |  |
Derivative |  |
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Credit contracts |  |
Derivative |  |
Derivative liabilities - Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Equity contracts |  |
Derivative |  |
Derivative assets - Fair value | 323 | 215
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Commodity contracts |  |
Derivative |  |
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | U.S. Treasury securities |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | U.S. government agency and U.S. government-sponsored enterprise debt securities |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | US government agencies And U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | US government agencies And U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Municipal securities: |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Non-agency commercial mortgage-backed Securities |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Non-agency residential mortgage-backed Securities |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Corporate debt securities |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Foreign government bonds |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Asset-backed securities |  |
Debt securities available-for-sale |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Collateralized loan obligations (“CLOs”) |  |
Debt securities available-for-sale |  |
Fair Value | $ 0 | $ 0

X
- Definition Represents the net amount of investments in the projects, excluding affordable housing projects, that qualify for Community Reinvestment Act (CRA) credits or other types of tax credits. + References No definition available. + Details
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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 Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 + Details
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- Definition Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, and obligation to return cash collateral under master netting arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226003-175313 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126966630&loc=d3e41228-113958 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 21 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226049-175313 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 + Details
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