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COMMITMENTS AND CONTINGENCIES - Flow-through Eligible Expenses (Details) $ in Millions |  | 1 Months Ended | 9 Months Ended | 12 Months Ended | 21 Months Ended
--- | --- | --- | --- | --- | ---
Mar. 02, 2022 USD ($) | Jan. 31, 2021 USD ($) | Sep. 30, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 item | Sep. 30, 2022 USD ($)
Flow Through CDE | Froome deposit |  |  |  |  |  |
Other commitments |  |  |  |  |  |
Exploration expenditures |  | $ 12.7 |  |  |  |
Flow Through CEE |  |  |  |  |  |
Other commitments |  |  |  |  |  |
Number of flow through share issuances | item |  |  |  |  | 2 |
Flow Through CEE | Timmins |  |  |  |  |  |
Other commitments |  |  |  |  |  |
Exploration expenditures |  |  |  | $ 12.7 |  | $ 18.9
Commitment amount |  |  | $ 1.3 |  |  | $ 1.3
Gross proceeds | $ 15.1 |  | $ 18.3 |  |  |

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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -SubTopic 730 -Section 25 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6472174&loc=d3e58812-109433 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 + Details
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