Income Taxes (Schedule of Effective Tax Rate Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Tax provision based on the federal statutory rate	21.00%	21.00%	35.00%
Increase in valuation allowances	(21.30%)	(34.80%)	48.80%
Global intangible low-taxed income inclusion	(7.00%)	(6.60%)	0.00%
One-Time transition tax	0.00%	(2.80%)	(16.50%)
Nondeductible expenses	(1.80%)	(2.30%)	(3.30%)
Taxes related to distributions	(0.80%)	(2.30%)	0.00%
Foreign income tax rate differential	1.00%	(1.50%)	0.00%
Deemed income related to foreign operations	(0.50%)	(1.50%)	(4.10%)
Tax rate change	(1.10%)	(1.40%)	2.20%
Employee share-based payments	0.00%	0.10%	(13.20%)
Other	(0.90%)	0.60%	2.90%
Deferred and payable adjustments	3.30%	0.90%	(1.10%)
ASU 842 Adoption	(0.10%)	0.00%	0.00%
State taxes, net of federal benefit, before valuation allowance	2.80%	2.40%	1.00%
Return to provision adjustments	(2.50%)	2.70%	2.00%
Other tax credits	(1.90%)	5.10%	0.00%
U.S. Tax Cuts and Jobs Act - rate change adjustment	0	0.064	(0.659)
Uncertain tax positions and audit settlements	2.80%	9.40%	(1.40%)
Effective tax rate	(7.00%)	(4.60%)	(13.60%)