Discontinued Operations (Details) - USD ($)		3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 07, 2016	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2018	Dec. 31, 2019	Nov. 28, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration received for disposal group	$ 45,000,000.0							$ 130,000,000.0
Proceeds from the sale of business	$ 40,600,000					$ 135,100,000
Disposal Group, Including Discontinued Operation, Liabilities		$ 600,000		$ 600,000			$ 600,000
Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent		600,000		600,000			600,000
Benefit from income taxes (2)				(3,700,000)
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax				0
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Amortization of intangible Assets, Discontinued Operations		0	$ 0	0	$ 0
Depreciation, Discontinued Operations		0	0	0	0
Disposal Group, Including Discontinued Operation, Operating Expense				0
Assets of discontinued operations							0
Disposal Group, Including Discontinued Operation, Liabilities		0		0			$ 0
Capital expenditures		0	0	0	0
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax				3,700,000
Disposal Group, Including Discontinued Operation, Gross Profit (Loss)				0
Cost of goods sold				0
Disposal Group, Including Discontinued Operation, Revenue				0
Accounts Payable [Member] | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Capital expenditures		$ 0	$ 0	$ 0	$ 0