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Significant Accounting Policies - Additional Information (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 USD ($) | Mar. 31, 2020 USD ($) | Dec. 31, 2022 USD ($) Project | Dec. 31, 2021 USD ($) Project | Dec. 31, 2020 USD ($)
Accounting Policies [Line Items] |  |  |  |  |
Prepaids expenses | $ 9,624 |  | $ 19,874 | $ 9,624 |
Inventory reserves | 128,981 |  | 75,861 | 128,981 |
Goodwill impairment loss |  | $ 7,700 |  |  |
Restructuring and other charges |  |  | 11,443 | 78,933 | $ 35,380
Inventory write-down |  |  | 0 | 66,910 | 17,272
Severance costs |  |  | 951 | 3,760 | 8,462
Unbilled receivables | 102,597 |  | $ 144,428 | $ 102,597 |
Number of projects | Project |  |  | 79 | 54 |
Percentage of total revenues |  |  | 34.70% | 21.70% |
Percentage of product revenues |  |  | 52.10% | 32.70% |
Gain (loss) in foreign currency exchange transactions |  |  | $ 3,000 | $ (700) | (1,900)
2018 Global Strategic Plan |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Inventory write-down |  |  |  | 19,300 | 17,300
Long-lived asset write-downs |  |  |  |  | 8,300
Severance costs |  |  |  | 2,700 | 8,400
Restructuring costs |  |  |  | 4,000 | $ 1,400
2021 Global Strategic Plan |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Inventory write-down | 47,700 |  |  |  |
Long-lived asset write-downs | 4,200 |  |  |  |
Severance costs | 1,000 |  | 900 |  |
Restructuring costs |  |  | 4,800 |  |
Over Time Method |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Unbilled receivables | 58,700 |  | 92,600 | 58,700 |
Inventories |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Inventory reserves | $ 129,000 |  | $ 75,900 | $ 129,000 |

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