Accounts and Notes Receivable (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021
Accounts Notes And Loans Receivable [Line Items]
Employee retention credit receivable		$ 5.9
Life Insurance Policy [Member]
Accounts Notes And Loans Receivable [Line Items]
Proceed from miscellaneous receivables	$ 3.2
Employee Retention Credit [Member]
Accounts Notes And Loans Receivable [Line Items]
Employee retention credit receivable		$ 5.9