Segmented information (Geographic Information of Revenue and location of assets) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 484,546	$ 396,361	$ 878,467	$ 727,916
Property, plant and equipment	442,743		442,743		$ 449,087
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	215,466	183,391	463,416	390,805
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	143,466	98,690	208,699	147,168
Australia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	71,734	44,514	100,809	64,077
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	36,989	55,467	74,809	102,643
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 16,891	$ 14,299	$ 30,734	$ 23,223