INTERIM CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenues	$ 499,384	$ 529,863	$ 1,052,814	$ 1,052,529
Costs and expenses
Cost of sales, excluding depreciation and amortization	439,220	566,200	897,402	1,027,538
Cost of sales depreciation and amortization	39,877	40,103	80,227	87,601
Selling, general and administrative expenses	29,789	32,392	61,490	66,343
Loss on disposal of investment in joint venture	0	0	23,645	0
Goodwill impairment	34,277	0	34,277	0
Operating loss	(43,779)	(108,832)	(44,227)	(128,953)
Other income (expenses)
Interest expense	(26,843)	(20,091)	(54,402)	(39,138)
Other income	4,299	3,138	9,238	6,372
Total other expenses, net	(22,544)	(16,953)	(45,164)	(32,766)
Loss before income taxes	(66,323)	(125,785)	(89,391)	(161,719)
Income tax recovery (provision)	(1,263)	27,479	5,102	32,835
Net loss	$ (67,586)	$ (98,306)	$ (84,289)	$ (128,884)
Net loss per common share
Basic	$ (1.01)	$ (1.48)	$ (1.26)	$ (1.94)
Diluted	(1.01)	(1.48)	(1.26)	(1.94)
Dividends declared per common share	$ 0.075	$ 0.075	$ 0.15	$ 0.15