Discontinued Operations - Income Statement Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations, net of tax	$ 0	$ (2,753)	$ 22,561	$ (7,992)
KC | Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	0	20,288	631	57,824
Cost of sales	0	10,632	0	31,493
Gross profit	0	9,656	631	26,331
Selling, general and administrative expenses	0	12,590	1,346	36,058
Adjustment of lease termination liability	0	0	(16,457)	0
Adjustment of other current liabilities	0	0	(6,608)	0
Operating loss	0	(2,934)	22,350	(9,727)
Interest expense	0	108	0	306
Other expense, net	0	7	88	22
Loss from discontinued operations before income taxes	0	(3,049)	22,262	(10,055)
Income tax benefit	0	(296)	(299)	(2,063)
Loss from discontinued operations, net of tax	$ 0	$ (2,753)	$ 22,561	$ (7,992)