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Fair Value Measurements - Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Detail) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Other Current Assets |  |
Assets: |  |
Derivative financial instruments | $ 9 |
Other assets |  |
Assets: |  |
Equity securities | 773 | $ 678
Private equities | 1,500 | 1,000
Fair Value Measurements, Level 1 | Other assets |  |
Assets: |  |
Equity securities | 773 | 678
Fair Value Measurements, Level 2 | Other Current Assets |  |
Assets: |  |
Derivative financial instruments | 9 |
Fair Value Measurements, Level 3 | Other assets |  |
Assets: |  |
Private equities | $ 1,500 | $ 1,000

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