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Derivative financial instruments (Details) - USD ($)
$ in Thousands
Jun. 20, 2023
Jun. 30, 2023
Mar. 20, 2023
Dec. 31, 2022
Sep. 20, 2022
Jul. 19, 2019
Interest rate swap June 2023 [Member]            
Derivative [Line Items]            
Contract term 3 years          
Notional amount $ 298,729          
Interest rate 4.249%          
Fair value asset / (liability), other non-current assets   $ 1,358        
Interest rate swap March 2023 [Member]            
Derivative [Line Items]            
Notional amount     $ 200,000      
Interest rate     4.003%      
Fair value asset / (liability), other non-current assets   2,850        
Interest rate swap September 2022 [Member]            
Derivative [Line Items]            
Notional amount         $ 300,000  
Interest rate         3.99%  
Fair value asset / (liability), other non-current assets   $ 4,807   $ 2,409    
Interest rate swap July 2019 [Member]            
Derivative [Line Items]            
Notional amount           $ 200,000
Interest rate           1.798%
Fair value asset / (liability), other current assets       $ 1,184