Derivative Financial Instruments - Summary of Recorded Net Gains (Losses) on Derivatives and Related Hedged Items in Fair Value Hedging Relationships (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Net Fair Value Hedge Gain/(Loss)	$ 5	$ 2	$ 6	$ 10
Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss) on Derivatives	(34)	237	112	(130)
Gain/(Loss) on Hedged Items	39	(235)	(106)	140
Net Fair Value Hedge Gain/(Loss)	5	2	6	10
Effect of Derivatives on Net Interest Income	159	155	320	304
Fair Value Hedging [Member] \| Commercial Real Estate [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss) on Derivatives	(34)	237	112	(130)
Gain/(Loss) on Hedged Items	39	(235)	(106)	140
Net Fair Value Hedge Gain/(Loss)	5	2	6	10
Effect of Derivatives on Net Interest Income	$ 159	$ 155	$ 320	$ 304

Gain loss on fair value hedges recognized in net interest income.

No definition available.

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- Definition

Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 815
-SubTopic 25
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480238/815-25-50-1

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- Definition

Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

+ References

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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 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4E

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Amount of gain (loss)recognized in the income statement from the hedging ineffectiveness of a fair value hedge.

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