(Loss) Earnings Per Share (Narrative) (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends declared per common share	$ 1.72	$ 1.65	$ 5.16	$ 4.95
Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Antidilutive securities, shares	27,742	105,000	27,742	105,000