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Related Party Transactions (Details) |  |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 25, 2020 USD ($) | Nov. 02, 2017 USD ($) | Oct. 31, 2021 USD ($) item | Sep. 30, 2021 USD ($) item | Jul. 31, 2021 USD ($) | Mar. 31, 2020 USD ($) | May 31, 2019 USD ($) | Nov. 30, 2017 USD ($) | Jul. 31, 2017 USD ($) installment | Dec. 31, 2021 USD ($) ft² | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Mar. 11, 2019 | Mar. 10, 2019
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of previously consolidated subsidiary shares |  |  |  |  |  |  |  |  |  |  |  | $ 366,000 |  |
Equity method investments |  |  |  |  |  |  |  |  |  | $ 10,166,000 | $ 6,376,000 |  |  |
Area of leased property (in square feet) | ft² |  |  |  |  |  |  |  |  |  | 19,467 |  |  |  |
Beijing BoYu Semiconductor Vessel Craftwork Technology Co., Ltd Investment |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional Minority Ownership Percentage by Parent |  |  |  |  |  |  |  |  |  |  | 4 |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent |  |  |  |  |  |  |  |  |  |  | $ 1,600,000 |  |  |
Percentage of Equity Interests Sold |  |  |  |  |  |  |  |  |  |  | 6.00% |  |  |
Beijing JiYa Semiconductor Material Co., Ltd Investment |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership, consolidated method (in hundredths) |  |  |  |  |  |  |  |  |  |  |  |  | 39.00% | 46.00%
Other Assets [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments |  |  |  |  |  |  |  |  |  | $ 10,200,000 | $ 6,400,000 |  |  |
Equity investment entity | Raw materials sales to related party | Accounts receivable | Beijing BoYu Semiconductor Vessel Craftwork Technology Co |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amounts receivable from related party |  |  |  |  |  |  |  |  |  | 0 | 0 |  |  |
Equity investment entity | ChaoYang XinMei |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments |  |  |  |  |  |  |  |  |  | $ 1,400,000 |  |  |  |
Ownership (as a percent) |  |  |  |  |  |  |  |  |  | 58.50% |  |  |  |
Donghai County Dongfang High Purity Electronic Materials Co., Ltd | Raw materials purchases from related party | Accounts payable | Beijing Tongmei Xtal Technology |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount payable to related party |  |  |  |  |  |  |  |  |  | $ 112,000 | 0 |  |  |
Emei Shan Jiamei Materials Co., Ltd | Raw materials purchases from related party | Accounts payable | Beijing Tongmei Xtal Technology |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount payable to related party |  |  |  |  |  |  |  |  |  | 0 | 0 |  |  |
Xilingol Tongli Germanium Co. Ltd | Raw materials purchases from related party | Accounts payable |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount payable to related party |  |  |  |  |  |  |  |  |  | 0 | 0 |  |  |
Beijing BoYu Semiconductor Vessel Craftwork Technology Co | Related party loan |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  |  |  |  | $ 50,000 | 300,000 |  |  |
Beijing BoYu Semiconductor Vessel Craftwork Technology Co | Lease of land | Beijing Tongmei Xtal Technology |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of leased property (in square feet) | ft² |  |  |  |  |  |  |  |  |  | 22,081 |  |  |  |
Lease term |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |
Annual lease payment |  |  |  |  |  |  |  |  |  | $ 24,000 |  |  |  |
Rental increase period |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  | 5.00% |  |  |  |
Nanjing JinMei Gallium Co., Ltd | Related party loan | Beijing Tongmei Xtal Technology |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of installments | installment |  |  |  |  |  |  |  |  | 3 |  |  |  |  |
Related party notes receivable - long term |  |  |  |  |  |  |  |  | $ 768,000 |  |  |  |  |
Amount payable to related party |  |  |  |  |  |  |  |  |  | $ 0 | 303,000 |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  | 4.90% |  |  |  |  |
Repayment of related party notes receivable |  |  |  |  | $ 858,000 |  |  |  |  |  |  |  |  |
Executive officer | Related party loan | Beijing BoYu Semiconductor Vessel Craftwork Technology Co |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of transaction |  |  |  |  |  | $ 141,000 | $ 146,000 | $ 291,000 |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  | 2.75% | 2.75% | 2.75% |  |  |  |  |  |
Repayment of related party notes receivable | $ 612,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Collection of Interest from Long Term Loans to Related Parties | $ 35,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Executive officer | Related party loan | Other Assets [Member] | Beijing BoYu Semiconductor Vessel Craftwork Technology Co |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related party notes receivable - current |  |  |  |  |  |  |  |  |  | 0 | $ 0 |  |  |
3rd Party Investor | Beijing BoYu Semiconductor Vessel Craftwork Technology Co., Ltd Investment |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Raised additional capital |  | $ 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Percentage ownership from issuance of shares |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |
Additional Minority Ownership Percentage by Parent |  |  |  |  |  |  |  |  |  |  | 4 |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent |  |  |  |  |  |  |  |  |  |  | $ 1,600,000 |  |  |
3rd Party Investor | Beijing BoYu Semiconductor Vessel Craftwork Technology Co |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Raised additional capital |  | $ 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Percentage ownership from issuance of shares |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |
ChaoYang Xinshuo | Loan from related party | ChaoYang XinMei High Purity Semiconductor Materials Co., Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of transaction |  |  | $ 1,000,000.0 | $ 900,000 |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  | 6.50% | 6.50% |  |  |  |  |  |  |  |  |  |
Short-term loan from noncontrolling interest |  |  |  |  |  |  |  |  |  | $ 1,900,000 |  |  |  |
Loan received from number of minority investors | item |  |  | 1 | 1 |  |  |  |  |  |  |  |  |  |
Number of minority investors | item |  |  | 2 | 2 |  |  |  |  |  |  |  |  |  |

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