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Financial Instruments and Fair Value Measurements - Narrative (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Nov. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative instrument, purchase price     $ 3,100,000
Interest Rate Swap | Not Designated as Accounting Hedge      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative instrument, notional amount $ 650,000,000.0    
Derivative instrument, purchase price 3,100,000    
Derivative instruments, fair value $ 0 $ 0