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Income Taxes - Components of Comprehensive Provision for Income Taxes Allocation (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Comprehensive provision for income taxes (benefit) allocable to: |  |  |
Net income (loss) | $ 7,479 | $ (2,515) | $ 579
Additional paid-in capital |  | (100) | (200)
Other comprehensive income (loss): |  |  |
Currency translation | (400) | 900 | (100)
Total | 10,300 | (2,500) | (500)
Defined Benefit Pension Plans |  |  |
Other comprehensive income (loss): |  |  |
Defined benefit plans | $ 3,200 | (700) | $ (800)
OPEB |  |  |
Other comprehensive income (loss): |  |  |
Defined benefit plans |  | $ (100) |

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