RECLAMATION OBLIGATIONS (Tables)

3 Months Ended

Mar. 31, 2018

RECLAMATION OBLIGATIONS

Schedule of reconciliation of asset retirement obligations

	March 31, 2018		December 31, 2017
Asset retirement obligation liability, beginning of the period	$	24,722	$	9,843
Settlements		(19)		(126)
Accretion of liability		294		635
Acquisitions and divestitures		—		11,803
Adjustment reflecting updated estimates		504		2,561
Foreign exchange revaluation		(359)		6
Asset retirement obligation liability, ending balance	$	25,142	$	24,722
Current portion		(743)		(646)
Non-current portion	$	24,399	$	24,076