Lease obligations (Tables)

12 Months Ended

Dec. 31, 2022

Disclosure of leases [Abstract]

Disclosure of additional information about leasing activities for lessee

	2022		2021
Opening lease obligations	$	717,101	$	722,234
Additions, net of disposals	262,470		97,673
Interest expense	48,039		45,394
Lease payments	(153,901)		(146,448)
Effect of movements in exchange rates and other	(3,546)		(1,752)
Lease obligations at December 31	870,163		717,101
Less: current portion	(108,736)		(98,301)
Lease obligations - non current portion	$	761,427	$	618,800

Disclosure of maturity analysis of lease payments

The following table presents the contractual undiscounted cash flows for lease obligations as at December 31, 2022:

	Lease payments		Interest component		Lease obligations
2023	$	156,807	$	48,978	$	107,829
2024	140,462		43,760		96,702
2025	124,474		38,546		85,928
2026	108,587		33,599		74,988
2027	98,123		28,639		69,484
Thereafter	523,526		88,294		435,232
	$	1,151,979	$	281,816	$	870,163

Disclosure of potential lease options

	Lease liabilities recognized (discounted)		Potential future lease payments not included in lease liabilities (undiscounted)
Ocean-going vessels	$	659,010	$	4,968
Terminals and tanks	169,518		34,634
Other	41,635		13,864
Total	$	870,163	$	53,466