Significant Accounting Policies - Additional Information (Details) $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2021 USD ($) Project	Dec. 31, 2020 USD ($) Project	Dec. 31, 2019 USD ($)
Accounting Policies [Line Items]
Inventory reserves	$ 128,981				$ 128,981	$ 82,149
Goodwill impairment loss			$ 7,700
Restructuring and other charges					78,933	35,380	$ 4,396
Inventory write-down					66,910	17,272	0
Long-lived asset write-downs	4,200					8,300
Severance costs					3,760	8,462	1,125
Restructuring costs						1,400	4,400
Unbilled receivables	102,597				$ 102,597	$ 140,318
Number of projects | Project					54	57
Percentage of total revenues					21.70%	33.20%
Percentage of product revenues					32.70%	46.90%
Leasing revenues		$ 2,300
Gain (loss) in foreign currency exchange transactions					$ (700)	$ 1,900	$ 1,300
2018 Global Strategic Plan
Accounting Policies [Line Items]
Inventory write-down					19,300
Severance costs					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 costs	1,000
Over Time Method
Accounting Policies [Line Items]
Unbilled receivables	58,700				58,700	96,500
Covid 19
Accounting Policies [Line Items]
Severance costs						8,400
Chief Operating Officer
Accounting Policies [Line Items]
Severance costs				$ 1,100
Inventories
Accounting Policies [Line Items]
Inventory reserves	$ 129,000				$ 129,000	$ 82,100