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Revenue - Summary of Net Revenues Disaggregated by Geography (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 63,355 | $ 74,196 | $ 129,080 | $ 139,465
Brick Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 48,005 | 48,349 | 94,630 | 88,986
Advanced Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 15,350 | 25,847 | 34,450 | 50,479
United States [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 31,055 | 26,419 | 60,296 | 52,042
United States [Member] | Brick Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 25,732 | 18,295 | 48,024 | 35,286
United States [Member] | Advanced Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 5,323 | 8,124 | 12,272 | 16,756
Europe [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 8,016 | 6,152 | 15,011 | 11,525
Europe [Member] | Brick Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 6,374 | 4,877 | 12,383 | 9,602
Europe [Member] | Advanced Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 1,642 | 1,275 | 2,628 | 1,923
Asia Pacific [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 23,130 | 40,263 | 51,141 | 73,619
Asia Pacific [Member] | Brick Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 15,287 | 23,876 | 32,398 | 42,087
Asia Pacific [Member] | Advanced Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 7,843 | 16,387 | 18,743 | 31,532
All Other [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 1,154 | 1,362 | 2,632 | 2,279
All Other [Member] | Brick Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 612 | 1,301 | 1,825 | 2,011
All Other [Member] | Advanced Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 542 | $ 61 | $ 807 | $ 268

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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