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Financial Instruments and Fair Value Measurements (Schedule of Interest Rate Swaps) (Details) - Designated as Hedging Instrument - Interest Rate Swap Maturing June 2023 - Other long-term liabilities - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Derivatives, Fair Value [Line Items]    
Notional Amount $ 150,000,000 $ 200,000,000
Pay Fixed Rate 2.1785% 2.1785%
Receive Current Floating Rate 0.1013% 0.148%
Fair Value $ (2,978,000) $ (7,026,000)