Derivative assets liabilities net amount offset in balance sheet.

No definition available.

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- Definition

Represents Description of Conditions Relating to Clearing of Interest rate Swaps.

+ References

No definition available.

+ Details

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- Definition

Nominal or face amount used to calculate payments on the derivative asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Average fixed interest rate that will be received or paid upon exercise of a group of interest rate swaption contracts.

+ References

No definition available.

+ Details

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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
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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
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- Definition

Number of interest rate derivative instruments held by the entity at the reporting date.

+ References

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- Details

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- Details

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Derivative Financial Instruments - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2023 USD ($) Agreement	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Derivative assets and liabilities offset in balance sheet	$ 0
Total notional amount of the Company's swaps	$ 409,800,000		$ 425,600,000
Description of Conditions Relating to Clearing of Interest rate Swaps	These instruments contain language outlining collateral pledging requirements for each counterparty, in which collateral must be posted if market value exceeds certain agreed upon threshold limits. Cash or securities are pledged as collateral
Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Total notional amount of the Company's swaps		$ 1,000,000,000
Weighted average fixed rate		3.80%
Derivative, Notional Amount	$ 24,900
Interest-rate Swap Agreements with Customers [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Number of interest-rate swap agreements \| Agreement	123
Total notional amount of the Company's swaps	$ 409,800,000