Income Taxes - Reconciliation of Effective Tax Rate (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
U.S. Federal statutory rate	21.00%	21.00%	21.00%	21.00%
Income tax recovery using U.S. Federal statutory rate on loss before income taxes	$ 13,928	$ 26,413	$ 18,772	$ 33,959
Tax differential on foreign loss	3,482	4,957	2,895	6,275
Effect of foreign earnings	(7,806)	525	(7,806)	0
Valuation allowance	7,767	(9,556)	5,159	(14,119)
Tax benefit of partnership structure	672	783	672	1,566
Non-taxable foreign subsidies	586	1,350	1,176	2,044
Non-deductible goodwill impairment	(10,239)	0	(10,239)	0
True-up of prior year taxes	(3,925)	(409)	(2,689)	4,477
Annual effective tax rate adjustment	(6,000)	5,000	(4,300)	(4,000)
Non-taxable portion of capital gain	0	0	1,460	0
Other, net	272	(1,584)	2	2,633
Income tax recovery (provision)	(1,263)	27,479	5,102	32,835
Current income tax recovery (provision)	6,059	(6,626)	(1,002)	(11,214)
Deferred income tax recovery (provision)	$ (7,322)	$ 34,105	$ 6,104	$ 44,049