COMMITMENTS AND CONTINGENCIES - Reclamation Bonds and Surety Bonds (Details) - Surety Bonds $ in Millions, $ in Millions	3 Months Ended
Mar. 31, 2023 USD ($)	Mar. 31, 2023 CAD ($)
Reclamation Bonds
Percentage of annual fees on surety bonds	2.30%	2.30%
Percentage of required deposit on value of surety bonds	10.00%	10.00%
Restricted cash	$ 4.2
Nevada
Reclamation Bonds
Surety bonding obligation	27.8	$ 15.6
Canada [Member]
Reclamation Bonds
Surety bonding obligation	$ 11.5

Represents the percentage of annual fees on the value of the surety bonds.

No definition available.

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- Definition

Represents a surety bond obligation. It is a promise by a surety or guarantor to pay one party (the obligation) a certain amount if a second party (the principal) fails to meet some obligation, such as fulfilling the terms of a contract.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of the required deposit on the value of the surety bonds.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(1))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 8
-URI https://asc.fasb.org/extlink&oid=126999549&loc=SL98516268-108586

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(1)(a))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(2))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

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- Details

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