Income Taxes (Narrative) (Details)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Entity Information [Line Items]
Estimated annual effective income tax rate	(34.80%)
Effective Income Tax Rate Reconciliation, Including Discontinued Operations, Percent	(31.60%)	(3.80%)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	22.10%
Subsidiaries [Member]
Entity Information [Line Items]
Effective income tax rates		14.90%
Effective Income Tax Rate Reconciliation, Including Discontinued Operations, Percent	13.80%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	22.10%