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Borrowings (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Borrowings	$ 3,650,000	$ 3,950,000
Advance from Federal Home Loan Bank	2,400,000	3,800,000
FRB Bank Team Funding Program | Federal Reserve Bank Advances [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Other Short-Term Borrowings	$ 1,300,000	$ 200,000
Maximum
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLB Advances Fixed Interest Rates	5.25%
Maximum | FRB Bank Team Funding Program | Federal Reserve Bank Advances [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Other short-term borrowings, interest rate	4.93%
Minimum
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLB Advances Fixed Interest Rates	5.10%
Minimum | FRB Bank Team Funding Program | Federal Reserve Bank Advances [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Other short-term borrowings, interest rate	4.76%

X

- Definition

Other short-term borrowings, interest rate

+ References

No definition available.

+ Details

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- Definition

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 470
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480876/942-470-45-1

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- Definition

Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 470
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
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-Section 50
-Paragraph 3
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480848/942-470-50-3

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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

No definition available.

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- Definition

The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-Publisher FASB
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- Definition

Amount of borrowings classified as other, maturing within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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