Earnings Per Share (Narrative) (Details)	12 Months Ended
	Dec. 31, 2021 ShareBasedCompensationPlan shares	Dec. 31, 2020 shares	Dec. 31, 2019 shares
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Number of active share-based compensation plans | ShareBasedCompensationPlan	2
Potentially dilutive common shares	41,475	30,140	42,811
Stock-Settled Stock Appreciation Rights (SSARs) [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Antidilutive shares excluded from calculation	11,073
Stock-Settled Stock Appreciation Rights (SSARs) [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Potentially dilutive common shares	28,770	24,644	32,091
Restricted Stock [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Potentially dilutive common shares	12,705	5,496	10,720