Nature of operations.

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- Definition

Percentage of ownership interest sold in joint venture.

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No definition available.

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- Definition

Working capital.

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- Definition

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

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- Definition

The number of instruments or interests issued or issuable at acquisition date for equity interests of the acquirer transferred as consideration in a business combination.

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- Definition

The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]

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The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments]

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Nature of Operations - Additional Information (Detail) $ in Thousands		12 Months Ended
	Aug. 03, 2018	Dec. 31, 2019 USD ($)	Jan. 28, 2019	Dec. 31, 2018 USD ($)	Aug. 21, 2018	Dec. 31, 2017 USD ($)
Nature of Operations [Line Items]
Cash and cash equivalents		$ 67,716		$ 60,822		$ 62,958
Working capital		16,700		17,400
Undrawn debt facilities		$ 29,700		$ 10,000
Koricancha Mill Joint Venture [member]
Nature of Operations [Line Items]
Ownership interest in joint venture sold					83.00%
Solaris Resources Inc [member]
Nature of Operations [Line Items]
Ownership interest in subsidiary	60.00%	30.00%
Leagold Mining Corporation [member]
Nature of Operations [Line Items]
Business combination shares issued		0.331	0.331