Income Taxes (Schedule of Effective Tax Rate Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Tax provision based on the federal statutory rate	21.00%	21.00%	21.00%
Increase in valuation allowances	(10.40%)	(8.50%)	(21.30%)
Dividends not taxable	0.00%	9.50%	0.00%
Net operating loss carryback claim	0.00%	6.20%	0.00%
Change in carryforward attributes	(0.70%)	(3.20%)	0.00%
Global intangible low-taxed income inclusion	1.20%	(0.30%)	(7.00%)
Nondeductible expenses	1.40%	(13.50%)	(1.80%)
Taxes related to distributions	0.00%	0.00%	(0.80%)
Foreign income tax rate differential	0.00%	(3.30%)	1.00%
Deemed income related to foreign operations	0.00%	(1.60%)	(0.50%)
Tax rate change	(0.70%)	(0.30%)	(1.10%)
Employee share-based payments	(1.30%)	(1.40%)	0.00%
Other	0.00%	(0.40%)	(0.90%)
Deferred and payable adjustments	1.40%	(2.60%)	3.30%
ASU 842 adoption	0.00%	0.00%	(0.10%)
State taxes, net of federal benefit, before valuation allowance	1.00%	0.50%	2.80%
Return to provision adjustments	(0.10%)	0.90%	(2.50%)
Other tax credits	(0.50%)	0.20%	(1.90%)
Uncertain tax positions and audit settlements	(3.00%)	(7.50%)	2.80%
Divestitures	(10.10%)	0.00%	0.00%
Effective tax rate	(0.80%)	(4.30%)	(7.00%)