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Financial Instruments - Narrative (Details) - USD ($)
3 Months Ended
Mar. 31, 2020
Dec. 05, 2019
Oct. 02, 2019
Derivative [Line Items]      
Unrealized gain (loss) on derivatives $ (9,111,000)    
Interest Rate Swap      
Derivative [Line Items]      
Unrealized gain (loss) on derivatives (9,524,000)    
Secured Debt | Interest Rate Swap      
Derivative [Line Items]      
Derivative, notional amount $ 350,000,000 $ 350,000,000  
Secured Debt | Revolving Credit Facility | Term Loan Facility      
Derivative [Line Items]      
Debt instrument face amount     $ 400,000,000