Sale of METALfx- Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Apr. 30, 2019
METALfx [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Noncontrolling interest, ownership percentage by parent		89.20%
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal group including discontinued operation gross consideration		$ 17.5
Disposal group including discontinued operation consideration held in escrow		$ 1.2
Disposal group including discontinued operation percentage of gross consideration held in escrow		7.00%
Disposal group, including discontinued operation, consideration		$ 16.5
Disposal group not discontinued operation gain (loss) on disposal net of tax	$ 3.3