Accounting Policies (Impact of Adoption on Diluted EPS) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Diluted earnings per share (in dollars per share)	$ (1.13)	$ 2.73	$ (0.75)
Historical Accounting Method | ASU 2020-06 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Diluted earnings per share (in dollars per share)	(1.10)	3.07	(0.45)
Effect of Adoption, Adjustment | ASU 2020-06 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Diluted earnings per share (in dollars per share)	0	(0.05)	0
Adjusted Balance after Adoption | ASU 2020-06 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Diluted earnings per share (in dollars per share)	$ (1.10)	$ 3.02	$ (0.45)