FHLB and Other Borrowed Funds (Detail) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Borrowed Funds [Line Items]
FHLB borrowed funds	$ 600.0	$ 600.0
Other Borrowings	701.1	701.3
Line of credit	1,260.0	1,330.0
Bank Term Funding Program
Borrowed Funds [Line Items]
Funds drawn	700.0	700.0
Federal Home Loan Bank Advances
Borrowed Funds [Line Items]
FHLB borrowed funds	$ 600.0	$ 600.0
Minimum
Borrowed Funds [Line Items]
FHLB interest rate	3.37%
Maximum
Borrowed Funds [Line Items]
FHLB interest rate	4.84%

Borrowed Funds [Line Items]

No definition available.

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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

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- Definition

Amount of Federal Home Loan Bank (FHLBank) advances to member financial institutions.

+ References

No definition available.

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- Definition

Rate of interest applicable on advance from Federal Home Loan Bank (FHLBank).

+ References

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-Topic 942
-SubTopic 470
-Name Accounting Standards Codification
-Section 45
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-Publisher FASB
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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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

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