Leases (Tables)

6 Months Ended

Jun. 30, 2020

Leases

Breakdown of Lease Expense

	Three months ended				Six months ended
	June 30,				June 30,
	2020		2019		2020		2019
Operating lease cost	$	3,969	$	4,071	$	8,470	$	9,283
Finance lease cost
Amortization of leased assets		2,195		1,692		4,309		3,452
Interest on lease liabilities		229		199		462		354
Short-term lease cost		2,151		2,510		5,031		5,075
Sublease income		(148)		(143)		(296)		(297)
	$	8,396	$	8,329	$	17,976	$	17,867

Future Minimum Operating Lease Payments

Remainder of 2020	$	8,327
2021		13,352
2022		12,092
2023		10,478
2024		8,752
Thereafter		103,710
Total future minimum lease payments	$	156,711
less: imputed interest		(43,116)
Total operating lease liability	$	113,595
less: operating lease liability - current		(10,077)
Total operating lease liability - non-current	$	103,518

Information Disclosed on Balance Sheets

			Accumulated		Net book
As at June 30, 2020	Cost		depreciation		value
Computer equipment	$	13,717	$	(6,748)	$	6,969
Yard and others		25,490		(7,998)		17,492
	$	39,207	$	(14,746)	$	24,461

			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

Remainder of 2020	$	4,730
2021		8,359
2022		6,501
2023		4,510
2024		2,357
Thereafter		247
Total future minimum lease payments	$	26,704
less: imputed interest		(1,572)
Total finance lease liability	$	25,132
less: finance lease liability - current		(8,331)
Total finance lease liability - non-current	$	16,801