Stock Compensation Plans (Weighted Average Assumptions Used to Determine Fair Value of ESP Plan) (Details) - Employee Stock	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of Treasury issues	1 year
Fair value of the option component of the ESP Plan
Risk free interest rate	4.79%	4.73%	0.39%
Dividend yield	1.29%	2.07%	1.82%
Volatility factor of the expected market price of the common shares	36.00%	53.00%	38.00%
Expected life for the options (in years)	1 year	1 year	1 year