Derivatives - Schedule Of Pre-Tax Changes In AOCI From Cash Flows Hedges (Details) - Derivative instruments designated as hedging instruments - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Interest rate contracts \| Cash Flow Hedging
Derivative [Line Items]
Gains (losses) recognized in AOCI:	$ 93,842	$ (62,715)	$ (21,629)	$ (129,329)
Gains (losses) reclassified from AOCI into earnings:	(24,272)	(24,059)	(73,471)	(54,955)
Interest rate contracts \| Cash Flow Hedging \| Interest expense (for cash flow hedges on borrowings)
Derivative [Line Items]
Gains (losses) reclassified from AOCI into earnings:	0	0	0	696
Interest rate contracts \| Cash Flow Hedging \| Interest and dividend income (for cash flow hedges on loans)
Derivative [Line Items]
Gains (losses) reclassified from AOCI into earnings:	(24,272)	(24,059)	(73,471)	(57,265)
Interest rate contracts \| Cash Flow Hedging \| Noninterest income
Derivative [Line Items]
Gains (losses) reclassified from AOCI into earnings:	0	0	0	1,614
Foreign exchange contracts \| Net Investment Hedging
Derivative [Line Items]
Gains recognized in AOCI	$ 0	$ 63	$ 586	$ 2,886

Other comprehensive income (loss) on derivatives instrument designated and qualifying in Net Investment Hedge Period Increase (Decrease).

No definition available.

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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

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- Definition

Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-11

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4C
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480627/815-20-45-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 10A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A

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- Definition

Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

+ References

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