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Income Taxes (Reconciliations) (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
U.S. statutory federal rate, expected (benefit) provision	21.00%	21.00%	35.00%
Increase (reduction) in tax rate from:
Tax impact from foreign operations	7.00%	0.00%	(5.00%)
Noncontrolling interests and equity earnings	0.00%	(1.00%)	(2.00%)
State and local income taxes, net of federal benefit	2.00%	1.00%	1.00%
Other permanent differences, net	3.00%	0.00%	(8.00%)
Contingent liability accrual	1.00%	3.00%	(2.00%)
U.S. taxes on foreign unremitted earnings	3.00%	0.00%	0.00%
Change in valuation allowance	(10.00%)	(2.00%)	(90.00%)
Research and development credits, net of provision	(5.00%)	0.00%	0.00%
U.S. tax reform	0.00%	0.00%	(7.00%)
Effective tax rate on income from operations	22.00%	22.00%	(78.00%)

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Increase (Reduction) in Tax Rate [Abstract]

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