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.

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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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Present value of lessee's discounted obligation for lease payments from operating lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of lessee's right to use underlying asset under operating lease.

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Indicates line item in statement of financial position that includes operating lease right-of-use asset.

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- Definition

Lessee operating lease option to extend term.

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No definition available.

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- Definition

Number of branches leased.

+ References

No definition available.

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Number of office locations leased.

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Leases - Additional Information (Detail)	3 Months Ended		6 Months Ended
Leases - Additional Information (Detail)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) OfficeLocation Branch	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)
Lessee Lease Description [Line Items]
Number of office locations leased \| OfficeLocation			4
Number of branch locations leased \| Branch			3
Lessee, Operating Lease, Existence of Option to Extend [true false]			true
Description of option to extend			Certain lease arrangements contain extension options which range from five to ten years at the then fair market rental rates.
Operating lease liability	$ 547,000		$ 547,000
Operating lease costs	106,000	$ 106,000	212,000	$ 212,000
ASU 2016-02 [Member]
Lessee Lease Description [Line Items]
Operating Lease, Right-of-Use Asset	$ 511,000		$ 511,000		$ 713,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Premises and equipment, net		Premises and equipment, net		Premises and equipment, net
Operating lease liability	$ 547,000		$ 547,000		$ 768,000
Minimum [Member]
Lessee Lease Description [Line Items]
Operating leases remaining term	1 year		1 year
Option to extend term			5 years
Maximum [Member]
Lessee Lease Description [Line Items]
Operating leases remaining term	3 years		3 years
Option to extend term			10 years