Discontinued Operations - Astora (Narrative) (Details) - USD ($)	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Restructuring Cost and Reserve [Line Items]
Loss from discontinued operations, net of tax	$ (5,961,000)	$ (7,751,000)
Discontinued operations, disposed of by means other than sale, abandonment \| Astora
Restructuring Cost and Reserve [Line Items]
Loss from discontinued operations, net of tax	(5,961,000)	(7,751,000)
Cash used in investing activities	0	0
Depreciation and amortization	$ 0	$ 0

Amount of cash inflow (outflow) of investing activities of discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of depreciation and amortization expense 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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