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Commitments and Contingencies - Concentrations Narrative (Details) ft² in Thousands, $ in Thousands | 1 Months Ended | 3 Months Ended | 21 Months Ended |
--- | --- | --- | --- | ---
Jul. 31, 2018 USD ($) ft² a | Mar. 31, 2021 USD ($) product | Mar. 31, 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 |  | $ 5,766 | $ 21,490 |
Vendor |  |  |  |
Concentrations |  |  |  |
Number of products from which revenue is derived | product |  | 5 |  |

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- Definition The cash outflow for acquisition of buildings (properties) whether for investment or use. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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- Definition The cash outflow for acquisition of land for use; excludes purchases of land held as inventory or as investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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