Revenue Recognition (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Performance obligation timing			The expected duration of the performance obligation is less than one year.
Revenue recognized	$ 3.0	$ 1.1	$ 1.8	$ 1.3
Maximum [Member]
Perfromance obligation, expected timing of satisfaction	1 year		1 year
Contracts and contract liabilities duration period			1 year