Additional Financial Statement Information (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Condensed Balance Sheet Statements, Captions [Line Items]
Monthly deposits as percentage of monthly salary	8.33%
Other Liabilities
Condensed Balance Sheet Statements, Captions [Line Items]
Severance benefits	$ 7.0	$ 8.4
Other Assets
Condensed Balance Sheet Statements, Captions [Line Items]
Severance benefits	$ 5.3	$ 6.6