Consolidated Statements of Net Loss and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Statement [Abstract]
Revenue	$ 210,482	$ 166,979	$ 43,130
Cost of sales	185,827	190,475	28,855
Gross profit (loss)	24,655	(23,496)	14,275
General and administrative expenses	85,883	110,903	48,577
Sales and marketing expenses	54,666	63,813	15,828
Research and development expenses	4,411	9,172	5,864
Depreciation and amortization expenses	13,722	11,607	1,598
Impairment of assets	61,114	112,070
Acquisition-related (income) expenses, net		(31,427)	248
Loss from equity method investments	5,983	4,504
Operating loss	(201,124)	(304,138)	(57,840)
Foreign exchange (gain) loss, net	(13,169)	(5,944)	7,234
Change in fair value of warrant liability	100,286
Gain on debt conversion	(61,118)
Interest expenses, net	39,219	34,690	9,110
Finance income from ABG		(764)
Other expenses (income), net	10,333	(2,501)	(2,010)
Loss before income taxes	(276,675)	(329,619)	(72,174)
Deferred income tax recoveries	(5,376)	(8,847)	(4,485)
Current income tax (recoveries) expenses	(226)	397	34
Net loss	$ (271,073)	$ (321,169)	$ (67,723)
Net loss per share - basic and diluted	$ (2.15)	$ (3.20)	$ (0.82)
Weighted average shares used in computation of net loss per share - basic and diluted	126,041,710	100,455,677	83,009,656
Net loss	$ (271,073)	$ (321,169)	$ (67,723)
Foreign currency translation (loss) gain, net	(1,497)	5,174	662
Unrealized loss on investments	(17)	(21)	(765)
Other comprehensive income (loss)	(1,514)	5,153	(103)
Comprehensive loss	$ (272,587)	$ (316,016)	$ (67,826)