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Basis of Presentation (Details) $ in Millions	3 Months Ended		9 Months Ended
Basis of Presentation (Details) $ in Millions	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) business_segment	Sep. 30, 2019 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of reportable segments \| business_segment			1
Net income (loss) from discontinued operations	$ 0.5	$ (1.0)	$ 1.5	$ (1.6)
Immediate Family Member of Management or Principal Owner
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue from related party			0.4
Inventory Purchases \| Immediate Family Member of Management or Principal Owner
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchases from related party			2.7
Due to Related Parties	0.6		0.6
Legal Fees \| Immediate Family Member of Management or Principal Owner
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Expenses from transaction with related party			0.5
Discontinued Operations - Disposed of by Sale \| NATG
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income (loss) from discontinued operations	$ 0.5	$ (1.0)	$ 1.5	$ (1.6)