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Property, Plant and Equipment - Property, Plant and Equipment (Detail) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
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Property, Plant and Equipment [Abstract] |  |
Land | $ 4,575 | $ 4,575
Building and land improvements | 35,667 | 35,578
Building | 68,161 | 68,157
Furniture and fixtures | 19,956 | 19,917
Computer hardware and software | 73,440 | 72,274
Engineering and other equipment | 134,438 | 134,771
Total property, plant and equipment | 336,237 | 335,272
Less: accumulated depreciation | (281,853) | (279,506)
Total property, plant and equipment, net | $ 54,384 | $ 55,766

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