Revenues - Summary of Net Revenues Disaggregated by Category (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 88,282	$ 88,796
Brick Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	35,357	54,459
Advanced Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	52,925	34,337
Direct Customers, Contract Manufacturers and Non-stocking Distributors [Member]
Disaggregation of Revenue [Line Items]
Revenue	71,872	72,865
Direct Customers, Contract Manufacturers and Non-stocking Distributors [Member] | Brick Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	24,401	43,808
Direct Customers, Contract Manufacturers and Non-stocking Distributors [Member] | Advanced Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	47,471	29,057
Stocking Distributors, Net of Sales Allowances [Member]
Disaggregation of Revenue [Line Items]
Revenue	14,508	14,685
Stocking Distributors, Net of Sales Allowances [Member] | Brick Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	10,764	10,547
Stocking Distributors, Net of Sales Allowances [Member] | Advanced Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,744	4,138
Non-recurring Engineering [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,578	1,175
Non-recurring Engineering [Member] | Brick Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	192	104
Non-recurring Engineering [Member] | Advanced Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,386	1,071
Royalties [Member]
Disaggregation of Revenue [Line Items]
Revenue	306	53
Royalties [Member] | Advanced Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	306	53
Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	18	18
Other [Member] | Advanced Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 18	$ 18