Capital Stock (Schedule of Common Stock Shares Purchased and Retired) (Details) - shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Capital Stock [Abstract]
Shares of common stock purchased	1,238,010	1,016,132	735,641
Shares of common stock retired	1,249,433	1,010,521	725,186