Discontinued Operations - Statement of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Costs and expenses:
Loss before income taxes	$ (2,301)	$ (4,140)
Net loss	(25,148)	(4,140)
API | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue:	6,388	31,240
Costs and expenses:
Cost of goods sold	6,085	28,294
Selling, general and administrative expenses	2,219	6,041
Other expenses, net	385	1,086
Total costs and expenses	8,689	35,421
Loss before income taxes	(2,301)	(4,181)
Income tax benefit	0	41
Net loss	$ (2,301)	$ (4,140)