Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Concentrations Narrative (Details)

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Commitments and Contingencies - Concentrations Narrative (Details)
ft² in Thousands, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended 27 Months Ended
Jul. 31, 2018
USD ($)
ft²
a
Sep. 30, 2021
USD ($)
Sep. 30, 2021
USD ($)
product
Sep. 30, 2021
USD ($)
Jul. 09, 2019
USD ($)
APC Facility          
Concentrations          
Size of building space | ft² 70        
Area of land where building resides | a 8.6        
Payments to acquire land $ 731        
Payments to acquire building $ 4,300        
Estimated cost relating to design build agreement         $ 29,300
Additional costs associated with design build agreement         $ 13,600
APC Facility | Projects In Process          
Concentrations          
Property, plant and equipment, additions   $ 4,008 $ 15,165 $ 30,855  
Interest capitalized   1,338 2,526    
Accumulated capitalized interest costs   $ 3,495 $ 3,495 $ 3,495  
Vendor          
Concentrations          
Number of products from which revenue is derived | product     4