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Revenues - Summary of Net Revenues Disaggregated by Category (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 93,166 | $ 107,844 | $ 262,892 | $ 312,407
Brick Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 43,764 | 49,432 | 123,842 | 135,191
Advanced Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 49,402 | 58,412 | 139,050 | 177,216
Direct Customers, Contract Manufacturers and Non-stocking Distributors [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 55,259 | 65,132 | 145,660 | 217,622
Direct Customers, Contract Manufacturers and Non-stocking Distributors [Member] | Brick Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 25,854 | 27,748 | 66,902 | 82,669
Direct Customers, Contract Manufacturers and Non-stocking Distributors [Member] | Advanced Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 29,405 | 37,384 | 78,758 | 134,953
Stocking distributors, net of sales allowances [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 24,091 | 31,134 | 80,657 | 72,606
Stocking distributors, net of sales allowances [Member] | Brick Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 17,724 | 21,461 | 56,289 | 51,536
Stocking distributors, net of sales allowances [Member] | Advanced Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 6,367 | 9,673 | 24,368 | 21,070
Non-recurring engineering [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 86 | 6,949 | 4,674 | 12,636
Non-recurring engineering [Member] | Brick Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 186 | 223 | 651 | 986
Non-recurring engineering [Member] | Advanced Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | (100) | 6,726 | 4,023 | 11,650
Royalties [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 13,370 | 4,269 | 30,821 | 8,745
Royalties [Member] | Brick Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Royalties [Member] | Advanced Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 13,370 | 4,269 | 30,821 | 8,745
Other [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 360 | 360 | 1,080 | 798
Other [Member] | Brick Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Other [Member] | Advanced Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 360 | $ 360 | $ 1,080 | $ 798

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