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Derivative Instruments and Hedging Activities - Impact Of Derivatives On Balance Sheet (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Designated as hedging instrument |  |
Derivative [Line Items] |  |
Estimated fair value of derivative assets | $ 0 | $ 0
Estimated fair value of derivative liabilities | 11,930 | 20,418
Not Designated As Hedging Instruments |  |
Derivative [Line Items] |  |
Estimated fair value of derivative assets | 103,589 | 94,903
Estimated fair value of derivative liabilities | 274,603 | 239,821
Not Designated As Hedging Instruments | Interest rate contracts |  |
Derivative [Line Items] |  |
Notional Amount | 12,377,962 | 11,888,152
Estimated fair value of derivative assets | 102,302 | 94,208
Estimated fair value of derivative liabilities | 274,055 | 238,134
Not Designated As Hedging Instruments | Mortgage derivatives | Mortgage derivatives - interest rate lock commitments |  |
Derivative [Line Items] |  |
Notional Amount | 60,402 | 40,642
Estimated fair value of derivative assets | 1,095 | 695
Estimated fair value of derivative liabilities | 0 | 0
Not Designated As Hedging Instruments | Mortgage derivatives | Mortgage derivatives - forward commitments to sell fixed-rate mortgage loans |  |
Derivative [Line Items] |  |
Notional Amount | 82,519 | 60,906
Estimated fair value of derivative assets | 0 | 0
Estimated fair value of derivative liabilities | 105 | 567
Not Designated As Hedging Instruments | Risk participation agreements |  |
Derivative [Line Items] |  |
Notional Amount | 781,904 | 732,682
Estimated fair value of derivative assets | 0 | 0
Estimated fair value of derivative liabilities | 4 | 3
Not Designated As Hedging Instruments | Foreign exchange contracts |  |
Derivative [Line Items] |  |
Notional Amount | 64,043 | 41,603
Estimated fair value of derivative assets | 192 | 0
Estimated fair value of derivative liabilities | 0 | 528
Not Designated As Hedging Instruments | Visa derivative |  |
Derivative [Line Items] |  |
Notional Amount | 0 | 0
Estimated fair value of derivative assets | 0 | 0
Estimated fair value of derivative liabilities | 439 | 589
Cash Flow Hedges |  |
Derivative [Line Items] |  |
Estimated fair value of derivative assets | 0 | 0
Estimated fair value of derivative liabilities | 4,337 | 7,527
Cash Flow Hedges | Interest rate contracts |  |
Derivative [Line Items] |  |
Notional Amount | 4,600,000 | 5,600,000
Estimated fair value of derivative assets | 0 | 0
Estimated fair value of derivative liabilities | 4,337 | 7,527
Fair Value Hedges |  |
Derivative [Line Items] |  |
Estimated fair value of derivative assets | 0 | 0
Estimated fair value of derivative liabilities | 7,593 | 12,891
Fair Value Hedges | Interest rate contracts |  |
Derivative [Line Items] |  |
Notional Amount | 2,728,580 | 2,563,504
Estimated fair value of derivative assets | 0 | 0
Estimated fair value of derivative liabilities | $ 7,593 | $ 12,891

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- Definition Fair value, after offset of derivative liability, of 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, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 55 -Paragraph 9 -SubTopic 20 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-9 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -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 10 -SubTopic 20 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-10 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-8 + Details
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- Definition Fair value, after offset of derivative asset, of 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, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 55 -Paragraph 9 -SubTopic 20 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-9 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -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 10 -SubTopic 20 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-10 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-8 + Details
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