ACQUISITIONS AND DIVESTITURES - Consideration Transferred (Details) - Alacer Gold Corporation - USD ($) $ / shares in Units, $ in Thousands	Sep. 16, 2020	Sep. 15, 2020
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Total consideration	$ 2,179,647	$ 2,200,000
Alacer Gold Corporation
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Share price (in dollars per share)		$ 7.21
RSU, PSU and DSU consideration
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
RSU, PSU and DSU consideration	52,363
RSUs and RSU Replacement Units
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
RSU, PSU and DSU consideration		$ 15,400
Equity interest issuable, number of shares (in shares)		3,570,261
PSUs and PSU Replacement Units
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
RSU, PSU and DSU consideration		$ 23,800
Equity interest issuable, number of shares (in shares)		3,463,023
Deferred share units
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
RSU, PSU and DSU consideration		$ 13,200
Equity interest issuable, number of shares (in shares)		1,158,071
Common shares
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Equity consideration	$ 2,127,284
Equity interest issued or issuable, number of shares (in shares)	95,699,911	95,699,911
Share price (in dollars per share)		$ 22.22

Business Combination, Consideration Transferred, Equity Interests Issuable

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Business Combination, Consideration Transferred, Equity Interests Issuable, Shares

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Price of a single share of a number of saleable stocks of a company.

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