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Derivative Financial Instruments - Additional Information (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
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Derivative [Line Items] |  |
Percentage of periodic changes in fair value qualifies for hedge accounting treatment (in percent) | 100.00% |
Interest Income |  |
Derivative [Line Items] |  |
Hedge gain to be reclassified during next twelve months, net | $ 23,300 |
Interest Expense |  |
Derivative [Line Items] |  |
Hedge gain to be reclassified during next twelve months, net | 4,500 |
Interest rate swaps on borrowings | Cash flow hedges | Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Notional amount | 150,000 | $ 150,000
Interest rate swaps on borrowings | Fair value hedges | Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Notional amount | 900,000 | 900,000
Interest rate swaps, collars, and floors on loan pools | Cash flow hedges | Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Notional amount | 1,800,000 | 1,600,000
Interest rate swaps on investment securities | Fair value hedges | Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Notional amount | 998,107 | 998,107
Interest rate lock commitments | Not Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Notional amount | 67,995 | 25,151
Forward mortgage loan contracts | Not Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Notional amount | 77,584 | 39,529
Counterparty interest rate swaps | Not Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Notional amount | 5,886,639 | 5,954,216
Customer interest rate swaps | Not Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Notional amount | $ 5,886,639 | $ 5,954,216

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480237/815-40-50-5 + Details
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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-1B Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-1A + Details
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- Definition The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480870/815-30-50-1 + Details
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