Discontinued Operations Results of Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from discontinued operations	$ 0	$ 4,540
Discontinued Operations, Disposed of by Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Revenue		47,920
Disposal Group, Including Discontinued Operation, Costs of Goods Sold		(34,890)
Disposal Group, Including Discontinued Operation, Gross Profit (Loss)		13,030
Disposal Group, Including Discontinued Operations, SG&A		(6,980)
Disposal Group, Including Discontinued Operation, Operating Income (Loss)		6,050
Disposal Group, Including Discontinued Operation, Other Expense		(110)
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		5,940
Discontinued Operation, Tax Effect of Discontinued Operation		1,400
Income from discontinued operations		$ 4,540

Disposal Group, Including Discontinued Operations, Other Expense, net

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Disposal Group, Including Discontinued Operations, Selling, General and Administrative Expenses

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Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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Amount of costs of goods sold attributable to disposal group, including, but not limited to, discontinued operation.

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Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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