Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases

Breakdown of Lease Expense

Year ended December 31,	2020		2019
Operating lease cost	$	16,927	$	17,878
Finance lease cost
Amortization of leased assets		9,268		7,510
Interest on lease liabilities		915		800
Short-term lease cost		9,799		9,090
Sublease income		(429)		(559)
	$	36,480	$	34,719

Future Minimum Operating Lease Payments

2021		15,103
2022		13,758
2023		12,127
2024		10,297
2025		10,162
Thereafter		104,348
Total future minimum lease payments	$	165,795
less: imputed interest		(42,554)
Total operating lease liability	$	123,241
less: operating lease liability - current		(10,423)
Total operating lease liability - non-current	$	112,818

Schedule Of Capital Leased Assets

			Accumulated		Net book
As at December 31, 2020	Cost		depreciation		value
Computer equipment	$	16,597	$	(8,317)	$	8,280
Yard and others		28,234		(10,865)		17,369
	$	44,831	$	(19,182)	$	25,649

			Accumulated		Net book
As at December 31, 2019	Cost		depreciation		value
Computer equipment	$	15,314	$	(7,832)	$	7,482
Yard and others		21,525		(5,749)		15,776
	$	36,839	$	(13,581)	$	23,258

Future Minimum Finance Lease Payments

2021		9,958
2022		8,030
2023		5,840
2024		3,383
2025		625
Thereafter		—
Total future minimum lease payments	$	27,836
less: imputed interest		(1,534)
Total finance lease liability	$	26,302
less: finance lease liability - current		(9,193)
Total finance lease liability - non-current	$	17,109