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Sale of METALfx Sale of METALfx (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2019 | Apr. 18, 2019
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 | $ 2.3 |

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