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Significant Accounting Policies - Additional Information (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2023 USD ($) Project | Dec. 31, 2022 USD ($) Project | Dec. 31, 2021 USD ($)
Accounting Policies [Line Items] |  |  |  |
Accrued bonuses |  |  | $ 5,500 |
Prepaids expenses |  | $ 14,119 | 19,874 |
Outstanding cash balance |  | $ 4,100 |  |
Amount to maintain by company, description |  | the outstanding letters of credit plus 5% at all times |  |
Trade receivables reduced amount |  | $ 6,500 | 5,000 |
Inventory reserves |  | 66,200 | 75,900 |
Goodwill impairment loss |  | 0 |  |
Restructuring and other charges |  | 3,245 | 13,364 | $ 78,933
Inventory write-down |  | 0 | 0 | 66,910
Severance |  | 374 | 951 | 3,760
Unbilled receivables |  | $ 148,429 | $ 144,428 |
Number of projects | Project |  | 75 | 79 |
Percentage of total revenues |  | 25.50% | 34.70% |
Percentage of product revenues |  | 40.00% | 52.10% |
Gain (loss) in foreign currency exchange transactions |  | $ 2,000 | $ 3,000 | 700
2018 Global Strategic Plan |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Inventory write-down |  |  |  | 19,300
Severance |  |  |  | 2,700
Restructuring costs |  |  |  | $ 4,000
2021 Global Strategic Plan |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Inventory write-down | $ 47,700 |  |  |
Long-lived asset write-downs | 4,200 |  |  |
Severance | $ 1,000 | 400 | 900 |
Restructuring costs |  |  | 6,800 |
Over Time Method |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Unbilled receivables |  | $ 90,200 | $ 92,600 |

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