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Fair Value Measurement and Fair Value of Financial Instruments - Schedule Of Financial Assets (Liabilities) Measured At Fair Value On a Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Affordable housing partnership, tax credit and CRA investments, net: |  |
Total affordable housing partnership, tax credit and CRA investments, net | $ 926,640 | $ 905,036
Derivative assets: |  |
Derivative assets - Fair value | 523,133 | 610,920
Net derivative assets | 95,841 | 298,128
Derivative liabilities - Fair value | 545,885 | 613,314
Net derivative liabilities | 433,601 | 537,144
Fair Value | 10,846,811 | 6,188,337
Government National Mortgage Association (GNMA) |  |
Derivative assets: |  |
Fair Value | 7,200,000 | 1,200,000
U.S. Treasury securities |  |
Derivative assets: |  |
Fair Value | 638,265 | 1,060,375
U.S. government agency and U.S. government sponsored enterprise debt securities |  |
Derivative assets: |  |
Fair Value | 262,587 | 364,446
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities |  |
Derivative assets: |  |
Fair Value | 426,214 | 468,259
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities |  |
Derivative assets: |  |
Fair Value | 7,738,260 | 1,727,594
Municipal securities |  |
Derivative assets: |  |
Fair Value | 250,153 | 261,016
Non-agency commercial mortgage-backed securities |  |
Derivative assets: |  |
Fair Value | 258,470 | 367,516
Non-agency residential mortgage-backed Securities |  |
Derivative assets: |  |
Fair Value | 433,608 | 553,671
Corporate debt securities |  |
Derivative assets: |  |
Fair Value | 526,166 | 502,425
Foreign government bonds |  |
Derivative assets: |  |
Fair Value | 233,880 | 227,874
Asset-backed securities |  |
Derivative assets: |  |
Fair Value | 34,715 | 42,300
Collateralized loan obligations (“CLOs”) |  |
Derivative assets: |  |
Fair Value | 44,493 | 612,861
Fair Value, Measurements, Recurring |  |
AFS debt securities: |  |
Fair Value | 10,846,811 | 6,188,337
Affordable housing partnership, tax credit and CRA investments, net: |  |
Equity securities | 25,021 | 24,659
Total affordable housing partnership, tax credit and CRA investments, net | 25,021 | 24,659
Other assets: |  |
Equity securities | 568 |
Total other assets | 568 |
Derivative assets: |  |
Derivative assets - Fair value | 523,133 | 610,920
Netting adjustments | (427,292) | (312,792)
Net derivative assets | 95,841 | 298,128
Derivative liabilities - Fair value | 545,885 | 613,314
Netting adjustments | (112,284) | (76,170)
Net derivative liabilities | 433,601 | 537,144
Fair Value, Measurements, Recurring | Interest rate contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 385,311 | 473,907
Derivative liabilities - Fair value | 414,172 | 433,936
Fair Value, Measurements, Recurring | Foreign exchange contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 89,083 | 57,072
Derivative liabilities - Fair value | 71,254 | 42,564
Fair Value, Measurements, Recurring | Credit contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 1 | 1
Derivative liabilities - Fair value | 12 | 25
Fair Value, Measurements, Recurring | Equity contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 239 | 336
Derivative liabilities - Fair value | 15,119 | 15,119
Fair Value, Measurements, Recurring | Commodity contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 48,499 | 79,604
Derivative liabilities - Fair value | 45,328 | 121,670
Fair Value, Measurements, Recurring | U.S. Treasury securities |  |
AFS debt securities: |  |
Fair Value | 638,265 | 1,060,375
Fair Value, Measurements, Recurring | U.S. government agency and U.S. government sponsored enterprise debt securities |  |
AFS debt securities: |  |
Fair Value | 262,587 | 364,446
Fair Value, Measurements, Recurring | U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities |  |
AFS debt securities: |  |
Fair Value | 426,214 | 468,259
Fair Value, Measurements, Recurring | U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities |  |
AFS debt securities: |  |
Fair Value | 7,738,260 | 1,727,594
Fair Value, Measurements, Recurring | Municipal securities |  |
AFS debt securities: |  |
Fair Value | 250,153 | 261,016
Fair Value, Measurements, Recurring | Non-agency commercial mortgage-backed securities |  |
AFS debt securities: |  |
Fair Value | 258,470 | 367,516
Fair Value, Measurements, Recurring | Non-agency residential mortgage-backed Securities |  |
AFS debt securities: |  |
Fair Value | 433,608 | 553,671
Fair Value, Measurements, Recurring | Corporate debt securities |  |
AFS debt securities: |  |
Fair Value | 526,166 | 502,425
Fair Value, Measurements, Recurring | Foreign government bonds |  |
AFS debt securities: |  |
Fair Value | 233,880 | 227,874
Fair Value, Measurements, Recurring | Asset-backed securities |  |
AFS debt securities: |  |
Fair Value | 34,715 | 42,300
Fair Value, Measurements, Recurring | Collateralized loan obligations (“CLOs”) |  |
AFS debt securities: |  |
Fair Value | 44,493 | 612,861
Fair Value, Measurements, Recurring | Level 1 |  |
AFS debt securities: |  |
Fair Value | 638,265 | 1,060,375
Affordable housing partnership, tax credit and CRA investments, net: |  |
Equity securities | 20,817 | 20,509
Total affordable housing partnership, tax credit and CRA investments, net | 20,817 | 20,509
Other assets: |  |
Equity securities | 568 |
Total other assets | 568 |
Derivative assets: |  |
Derivative assets - Fair value | 0 | 0
Netting adjustments | 0 | 0
Net derivative assets | 0 | 0
Derivative liabilities - Fair value | 0 | 0
Netting adjustments | 0 | 0
Net derivative liabilities | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Interest rate contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair value | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Foreign exchange contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair value | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Credit contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair value | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Equity contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair value | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Commodity contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair value | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | U.S. Treasury securities |  |
AFS debt securities: |  |
Fair Value | 638,265 | 1,060,375
Fair Value, Measurements, Recurring | Level 1 | U.S. government agency and U.S. government sponsored enterprise debt securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Municipal securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Non-agency commercial mortgage-backed securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Non-agency residential mortgage-backed Securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Corporate debt securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Foreign government bonds |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Asset-backed securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Collateralized loan obligations (“CLOs”) |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 2 |  |
AFS debt securities: |  |
Fair Value | 10,208,546 | 5,127,962
Affordable housing partnership, tax credit and CRA investments, net: |  |
Equity securities | 4,204 | 4,150
Total affordable housing partnership, tax credit and CRA investments, net | 4,204 | 4,150
Other assets: |  |
Equity securities | 0 |
Total other assets | 0 |
Derivative assets: |  |
Derivative assets - Fair value | 522,894 | 610,584
Netting adjustments | (427,292) | (312,792)
Net derivative assets | 95,602 | 297,792
Derivative liabilities - Fair value | 530,766 | 598,195
Netting adjustments | (112,284) | (76,170)
Net derivative liabilities | 418,482 | 522,025
Fair Value, Measurements, Recurring | Level 2 | Interest rate contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 385,311 | 473,907
Derivative liabilities - Fair value | 414,172 | 433,936
Fair Value, Measurements, Recurring | Level 2 | Foreign exchange contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 89,083 | 57,072
Derivative liabilities - Fair value | 71,254 | 42,564
Fair Value, Measurements, Recurring | Level 2 | Credit contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 1 | 1
Derivative liabilities - Fair value | 12 | 25
Fair Value, Measurements, Recurring | Level 2 | Equity contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair value | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | Commodity contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 48,499 | 79,604
Derivative liabilities - Fair value | 45,328 | 121,670
Fair Value, Measurements, Recurring | Level 2 | U.S. Treasury securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | U.S. government agency and U.S. government sponsored enterprise debt securities |  |
AFS debt securities: |  |
Fair Value | 262,587 | 364,446
Fair Value, Measurements, Recurring | Level 2 | U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities |  |
AFS debt securities: |  |
Fair Value | 426,214 | 468,259
Fair Value, Measurements, Recurring | Level 2 | U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities |  |
AFS debt securities: |  |
Fair Value | 7,738,260 | 1,727,594
Fair Value, Measurements, Recurring | Level 2 | Municipal securities |  |
AFS debt securities: |  |
Fair Value | 250,153 | 261,016
Fair Value, Measurements, Recurring | Level 2 | Non-agency commercial mortgage-backed securities |  |
AFS debt securities: |  |
Fair Value | 258,470 | 367,516
Fair Value, Measurements, Recurring | Level 2 | Non-agency residential mortgage-backed Securities |  |
AFS debt securities: |  |
Fair Value | 433,608 | 553,671
Fair Value, Measurements, Recurring | Level 2 | Corporate debt securities |  |
AFS debt securities: |  |
Fair Value | 526,166 | 502,425
Fair Value, Measurements, Recurring | Level 2 | Foreign government bonds |  |
AFS debt securities: |  |
Fair Value | 233,880 | 227,874
Fair Value, Measurements, Recurring | Level 2 | Asset-backed securities |  |
AFS debt securities: |  |
Fair Value | 34,715 | 42,300
Fair Value, Measurements, Recurring | Level 2 | Collateralized loan obligations (“CLOs”) |  |
AFS debt securities: |  |
Fair Value | 44,493 | 612,861
Fair Value, Measurements, Recurring | Level 3 |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Affordable housing partnership, tax credit and CRA investments, net: |  |
Equity securities | 0 | 0
Total affordable housing partnership, tax credit and CRA investments, net | 0 | 0
Other assets: |  |
Equity securities | 0 |
Total other assets | 0 |
Derivative assets: |  |
Derivative assets - Fair value | 239 | 336
Netting adjustments | 0 | 0
Net derivative assets | 239 | 336
Derivative liabilities - Fair value | 15,119 | 15,119
Netting adjustments | 0 | 0
Net derivative liabilities | 15,119 | 15,119
Fair Value, Measurements, Recurring | Level 3 | Interest rate contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair value | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Foreign exchange contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair value | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Credit contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair value | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Equity contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 239 | 336
Derivative liabilities - Fair value | 15,119 | 15,119
Fair Value, Measurements, Recurring | Level 3 | Commodity contracts |  |
Derivative assets: |  |
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair value | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | U.S. Treasury securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | U.S. government agency and U.S. government sponsored enterprise debt securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Municipal securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Non-agency commercial mortgage-backed securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Non-agency residential mortgage-backed Securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Corporate debt securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Foreign government bonds |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Asset-backed securities |  |
AFS debt securities: |  |
Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Level 3 | Collateralized loan obligations (“CLOs”) |  |
AFS debt securities: |  |
Fair Value | $ 0 | $ 0

X
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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/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 103 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-103 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aa) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481830/320-10-45-1 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479130/326-30-45-1 + 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 -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5C -Subparagraph (SX 210.12-13C(Column F)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-5C Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5B -Subparagraph (SX 210.12-13B(Column E)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-5B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483444/210-20-55-22 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483466/210-20-50-3 + 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 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480463/815-10-45-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -SubTopic 20 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483466/210-20-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 55 -Paragraph 8 -SubTopic 20 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483444/210-20-55-8 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 21 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483444/210-20-55-21 + 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. 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