Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments Narrative (Details)

v3.20.2
Financial Instruments Narrative (Details)
€ in Thousands, $ in Thousands, MMBTU in Millions
1 Months Ended 6 Months Ended
Mar. 18, 2020
USD ($)
Feb. 20, 2020
USD ($)
Nov. 30, 2018
USD ($)
Jul. 31, 2016
USD ($)
Jun. 30, 2020
USD ($)
MMBTU
Jul. 31, 2020
USD ($)
Feb. 28, 2018
EUR (€)
Cash flow hedging              
Derivative              
Amount of derivative loss expected to be transferred from OCI         $ 688    
Cash flow hedging | Natural gas swaps              
Derivative              
Derivative, notional quantity | MMBTU         2.5    
Cash flow hedging | July 2016 interest rate caps              
Derivative              
Premium paid to acquire derivative instrument       $ 1,551      
Derivative, cap interest rate         3.00%    
Derivative, notional amount       $ 1,000,000      
Cash flow hedging | July 2016 interest rate caps | Minimum              
Derivative              
Derivative, cap interest rate       1.50%      
Cash flow hedging | July 2016 interest rate caps | Maximum              
Derivative              
Derivative, cap interest rate       3.00%      
Cash flow hedging | November 2018 interest rate caps              
Derivative              
Premium paid to acquire derivative instrument $ 900 $ 130 $ 3,380   $ 4,410    
Derivative, cap interest rate 0.84% 2.50% 3.50%        
Derivative, notional amount     $ 500,000        
Cash flow hedging | July 2020 Interest Rate Cap [Member] | Subsequent Event              
Derivative              
Derivative, cap interest rate           1.00%  
Derivative, notional amount           $ 400,000  
Net investment hedging | Cross-currency interest rate swaps              
Derivative              
Derivative, notional amount         $ 314,818   € 280,000