Leases - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Lessee Lease Description [Line Items]
Operating lease, extending Description			we leased the property pursuant to a master lease for an initial term extending through September 30, 2030, with two five-year extensions
Operating lease, existence of option to extend [true false]			true
Operating lease, weighted average remaining lease term	5 years		5 years
Operating lease, weighted average discount rate	3.75%		3.75%
Operating lease expense	$ 268	$ 266	$ 801	$ 796
Two Five Year Extensions [Member]
Lessee Lease Description [Line Items]
Operating lease, Renewal Term	5 years		5 years

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.

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

Indicates (true false) whether lessee has option to extend operating lease.

+ References

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- Definition

Description of terms and conditions of option to extend lessee's operating lease. Includes, but is not limited to, information about option recognized as part of right-of-use asset and lease liability.

+ References

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- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount of operating lease expense. Excludes sublease income.

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- Definition

Weighted average discount rate for operating lease calculated at point in time.

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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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