Other Income (Expense), Net (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Schedule of Investments [Line Items]
Brazil One-time Tax Credit PIS/COFINS	$ 0	$ 0	$ 8,486,000	$ 0
Other Nonrecurring Expense	(85,000)	(1,130,000)	486,000	(1,130,000)
Other Nonoperating Expense	(159,000)	(494,000)	(594,000)	(1,594,000)
Gain (Loss) on Disposition of Other Assets	377,000	0	377,000	0
Other Nonoperating Income (Expense), Net - Other	(15,000)	5,000	(163,000)	122,000
Other income (expense), net	391,000	(37,934,000)	9,272,000	(63,898,000)
Investment Income, Dividend	300,000
kaleo [Member]
Schedule of Investments [Line Items]
Unrealized Gain (Loss) on Investments - kaleo	279,000	(36,200,000)	1,197,000	(61,000,000)
Harbinger Capital Partners Special Situations Fund
Schedule of Investments [Line Items]
Gain (Loss) on Investments	(6,000)	(115,000)	(517,000)	(296,000)
Carrying value	$ 200,000	$ 800,000	$ 200,000	$ 800,000	$ 700,000