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Plan's Benefit Obligations, Fair Value of Plan Assets, and Funded Status (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Retirement Benefits [Abstract] |  |
Benefit Obligation | $ 339 | $ 321
Fair value of plan assets | 473 | 463
Defined Benefit Plan, Funded Status of Plan | (134) | (142)
Noncurrent liabilities (assets) | (134) | (142)
Net amount recognized | (134) | (142)
Amounts recognized in accumulated comprehensive income (loss) consist of: |  |
Unrecognized net gain (loss) | $ (15) | $ (4)

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