Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2017

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

As at March 31, 2017		Cost		Accumulated depreciation		Net book value
Land and improvements	$	366,236	$	(62,549)	$	303,687
Buildings		258,414		(94,256)		164,158
Yard and automotive equipment		55,038		(38,974)		16,064
Computer software and equipment		67,311		(58,966)		8,345
Office equipment		23,247		(17,149)		6,098
Leasehold improvements		20,427		(13,057)		7,370
Assets under development		9,297		-		9,297
	$	799,970	$	(284,951)	$	515,019

As at December 31, 2016		Cost		Accumulated depreciation		Net book value
Land and improvements	$	362,283	$	(60,576)	$	301,707
Buildings		256,168		(91,323)		164,845
Yard and automotive equipment		55,352		(38,560)		16,792
Computer software and equipment		66,265		(57,624)		8,641
Office equipment		22,963		(16,706)		6,257
Leasehold improvements		20,199		(12,541)		7,658
Assets under development		9,130		-		9,130
	$	792,360	$	(277,330)	$	515,030