Income Taxes (Summary of Effective Income Tax Rate For Continuing Operations) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income tax expense (benefit) at federal statutory rate	$ 12,223	$ 7,638	$ (5,219)
Federal statutory rate	21.00%	21.00%	35.00%
Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income	$ 15,865	$ 1,901	$ 0
Effective Income Tax Rate Reconciliation - U.S. Tax on Foreign Branch Income - Percentage	27.20%	5.20%	0.00%
State taxes, net of federal income tax benefit	1.70%	1.40%	(4.40%)
Non-deductible expenses	0.80%	0.90%	(2.90%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount	$ 283	$ 175	$ 199
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Percent	0.50%	0.50%	(1.30%)
Effective Income Tax Rate Reconciliation Amount - GILTI	$ 68	$ 0	$ 0
Effective Income Tax Rate Reconciliation Percent - GILTI	0.10%	0.00%	0.00%
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	$ 1,999	$ 1,340	$ 0
Effective Income Tax Rate Reconciliation, Tax Credit, Percent	(3.40%)	(3.70%)	0.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	$ 467.000	$ 322.000	$ 434.000
effective income tax rate reconciliation, non-deductible goodwill and asset impairment	0.00%	5.10%	(1.50%)
Foreign rate differences	3.80%	5.00%	(17.10%)
effective income tax rate reconciliation, valuation allowance due to foreign losses	$ (14,929)	$ (975)	$ 20,757
Effective Income Tax Rate Reconciliation, Valuation Allowance Due To Foreign Losses And Impairments, Percentage	(25.60%)	(2.70%)	(139.30%)
Effective Income Tax Rate Reconciliation Amount - FDII	$ (273)	$ (1,050)	$ 0
Effective Income Tax Rate Reconciliation Percent - FDII	(0.50%)	(2.90%)	0.00%
Effective Income Tax Rate Reconciliation, Valuation Allowance Due To Foreign Losses, Percentage	0.10%	1.50%	(0.60%)
Research and development tax credit	(1.40%)	(1.20%)	2.50%
Effective Income Tax Rate Reconciliation, Deduction, Dividends, Amount	$ (1,016)	$ 0	$ 0
Effective Income Tax Rate Reconciliation, Deduction, Dividend, Percent	(1.70%)	0.00%	0.00%
Changes in estimates related to prior year tax provision	(1.20%)	(0.80%)	(2.10%)
Goodwill impairment	0.10%	0.30%	0.00%
Effective Income Tax Rate Reconciliation Unremitted Earnings From Foreign Operations, Amount	$ 60.000	$ 126.000	$ 0.000
Effective Income Tax Rate Reconciliation Capital Loss Carryforwards Valuation Allowance, Amount	60.000	553.000	83.000
Effective income tax rate reconciliation, non-deductible goodwill and other impairments, amount	$ 0	$ 1,801	$ 228
Other	0.00%	0.00%	411.90%
Effective income tax rate for continuing operations	17.10%	31.70%	356.50%
Effective Tax Rate Reconciliation Worthless Stock Deductions, Amount	$ 0.000	$ 0.000	$ (61,413.000)
Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Percent	0.000	0.000	0.297
Effective Income Tax Rate Reconciliation, escrow settlement, amount			$ (4,200.000)
Settlement of Terphane acquisition escrow			28.20%
Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Amount	$ 0	$ 0	$ (4,433)
Increase in value of kaléo investment held abroad	$ 0	$ 0	$ (2,326)
Increase In Value Of kaléo Investment Held Abroad, Percentage	0.00%	0.00%	15.60%
Effective Income Tax Rate Reconciliation, Tax Settlement, Other, Amount	$ (2,543)	$ 773	$ (420)
Effective Income Tax Rate Reconciliation, Tax Settlement, State and Local, Percent	(4.40%)	2.10%	2.80%
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount	$ (830)	$ (420)	$ (375)
Changes in estimates related to prior year tax provision	(721)	(303)	320
State taxes, net of federal income tax benefit	987	520	656
Foreign rate differences	2,211	1,805	2,546
Income tax expense (benefit) at effective income tax rate	$ 9,913	$ 11,526	$ (53,163)