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Financial Instruments and Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Assets    
Derivative financial instruments $ 1 $ 2,583
Liabilities    
Derivative financial instruments 90,139 39,061
Recurring | Level 1    
Assets    
Money market funds 0 0
Derivative financial instruments 0 0
Investment in Albertsons (Note 4) 72,391 0
Liabilities    
Derivative financial instruments 0 0
Recurring | Level 2    
Assets    
Money market funds 0 0
Derivative financial instruments 1 2,583
Investment in Albertsons (Note 4) 0 0
Liabilities    
Derivative financial instruments 90,139 39,061
Recurring | Level 3    
Assets    
Money market funds 0 0
Derivative financial instruments 0 0
Investment in Albertsons (Note 4) 0 0
Liabilities    
Derivative financial instruments $ 0 $ 0