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Lease obligations (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure of leases [Abstract]

Disclosure of additional information about leasing activities for lessee


			2021			2020
Opening lease obligations			$	722,234		$	718,505
Additions, net of disposals			97,673			108,763
Interest expense			45,394			47,871
Lease payments			(146,448)			(154,727)
Effect of movements in exchange rates and other			(1,752)			1,822
Lease obligations at December 31			717,101			722,234
Less: current portion			(98,301)			(97,516)
Lease obligations - non current portion			$	618,800		$	624,718

Disclosure of maturity analysis of lease payments

The following table presents the contractual undiscounted cash flows for lease obligations as at December 31, 2021:


			Lease payments			Interest component			Lease obligations
2022			$	140,413		$	42,112		$	98,301
2023			122,902			37,497			85,405
2024			110,429			33,148			77,281
2025			99,854			28,697			71,157
2026			86,149			24,423			61,726
Thereafter			386,088			62,857			323,231
			$	945,835		$	228,734		$	717,101

Disclosure of potential lease options


			Lease liabilities recognized (discounted)			Potential future lease payments not included in lease liabilities (undiscounted)
Ocean-going vessels			$	494,133		$	3,762
Terminals and tanks			175,533			32,308
Other			47,435			16,482
Total			$	717,101		$	52,552