Equity Incentive Plan - Summary of Company's Outstanding Restricted Common Stock (Detail) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025 USD ($) $ / shares shares	Jun. 30, 2025 USD ($) $ / shares shares
Schedule Of Nonvested Stock Option Activity [Line Items]
Number of Restricted Shares, Granted		96,692
Expected future remaining compensation expense \| $	$ 1,549	$ 1,549
Expected future compensation expense, restricted shares remaining vesting period		2 years 10 months 17 days
Restricted Shares Awarded on March 3, 2021 [Member]
Schedule Of Nonvested Stock Option Activity [Line Items]
Number of Restricted Shares, Granted		2,488
Date of Award		Mar. 03, 2021
Expected future remaining compensation expense \| $	24	$ 24
Expected future compensation expense, restricted shares remaining vesting period		6 months
Restricted Shares Awarded on March 3, 2022 [Member]
Schedule Of Nonvested Stock Option Activity [Line Items]
Number of Restricted Shares, Granted		4,598
Date of Award		Mar. 03, 2022
Expected future remaining compensation expense \| $	84	$ 84
Expected future compensation expense, restricted shares remaining vesting period		1 year 6 months
Restricted Shares Awarded on March 14, 2023 [Member]
Schedule Of Nonvested Stock Option Activity [Line Items]
Number of Restricted Shares, Granted		9,761
Date of Award		Mar. 14, 2023
Expected future remaining compensation expense \| $	181	$ 181
Expected future compensation expense, restricted shares remaining vesting period		2 years 6 months
Restricted Shares Awarded on March 14, 2023 [Member]
Schedule Of Nonvested Stock Option Activity [Line Items]
Number of Restricted Shares, Granted		8,817
Date of Award		Mar. 14, 2023
Expected future remaining compensation expense \| $	94	$ 94
Expected future compensation expense, restricted shares remaining vesting period		6 months
Restricted Shares Awarded on March 12, 2024 [Member]
Schedule Of Nonvested Stock Option Activity [Line Items]
Number of Restricted Shares, Granted		20,969
Date of Award		Mar. 12, 2024
Expected future remaining compensation expense \| $	286	$ 286
Expected future compensation expense, restricted shares remaining vesting period		3 years 6 months
Restricted Shares Awarded on March 12, 2024 [Member]
Schedule Of Nonvested Stock Option Activity [Line Items]
Number of Restricted Shares, Granted		9,185
Date of Award		Mar. 12, 2024
Expected future remaining compensation expense \| $	105	$ 105
Expected future compensation expense, restricted shares remaining vesting period		1 year 6 months
Restricted Shares Awarded on September 9, 2024 [Member]
Schedule Of Nonvested Stock Option Activity [Line Items]
Number of Restricted Shares, Granted		1,287
Date of Award		Sep. 09, 2024
Expected future remaining compensation expense \| $	15	$ 15
Expected future compensation expense, restricted shares remaining vesting period		2 years 3 months
Restricted Shares Awarded on March 11, 2025 [Member]
Schedule Of Nonvested Stock Option Activity [Line Items]
Number of Restricted Shares, Granted		21,487
Date of Award		Mar. 11, 2025
Expected future remaining compensation expense \| $	424	$ 424
Expected future compensation expense, restricted shares remaining vesting period		4 years 9 months
Restricted Shares Awarded on March 11, 2025 [Member]
Schedule Of Nonvested Stock Option Activity [Line Items]
Number of Restricted Shares, Granted		18,100
Date of Award		Mar. 11, 2025
Expected future remaining compensation expense \| $	$ 336	$ 336
Expected future compensation expense, restricted shares remaining vesting period		2 years 9 months
Restricted Stock [Member]
Schedule Of Nonvested Stock Option Activity [Line Items]
Number of Restricted Shares, Nonvested at beginning of period	96,692	90,331
Number of Restricted Shares, Granted	0	39,587
Number of Restricted Shares, Vested	0	(33,226)
Number of Restricted Shares, Forfeited	0	0
Number of Restricted Shares, Nonvested at end of period	96,692	96,692
Weighted Average Grant Date Fair Value, Nonvested at beginning of period \| $ / shares	$ 19.69	$ 19.14
Weighted Average Grant Date Fair Value, Granted \| $ / shares	0	21.46
Weighted Average Grant Date Fair Value, Vested \| $ / shares	0	20.31
Weighted Average Grant Date Fair Value, Forfeited \| $ / shares	0	0
Weighted Average Grant Date Fair Value, Nonvested at end of period \| $ / shares	$ 19.69	$ 19.69

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Name Accounting Standards Codification
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-Publisher FASB
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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Name Accounting Standards Codification
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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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