Income Taxes (Narrative) (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2024
Entity Information [Line Items]
Estimated annual effective income tax rate					(53.10%)
Effective Income Tax Rate Reconciliation, Including Discontinued Operations, Percent	(267.90%)	19.90%	(24.90%)	13.30%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			22.40%
Effective Income Tax Rate Reconciliation [Line Items]
Estimated annual effective income tax rate					(53.10%)
Subsidiaries [Member]
Entity Information [Line Items]
Effective Income Tax Rate Reconciliation, Including Discontinued Operations, Percent	(17.90%)	20.90%	10.20%	17.60%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			22.40%