Construction in progress (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Construction in Progress [Roll Forward]
Balance at beginning of period	$ 234,037
Acquisition of construction in progress from business combinations	128,625
Additions	315,970
Impact of change in FX rates	17,172
Transferred to property, plant and equipment, net or finance leases	(3,059)
Balance at end of period	692,745
Interest costs capitalized	$ 9,310	$ 17,902