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- Definition

Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Entity Shares Issued Per Acquiree Share

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- Definition

Business Combination, Number of Common Stock Shares Acquired

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- Definition

Business Combination, Shares Converted Into Common Stock

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- Definition

Change in value of investments accounted at fair value

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Convertible Notes, Increase (Decrease) In Fair Value

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Notes Receivable, Fair Value Measurement Input

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- Definition

Percentage Of Fair Value Investment

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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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.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
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-Publisher FASB
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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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FAIR VALUE ACCOUNTING - Narrative (Details) $ in Thousands				3 Months Ended		5 Months Ended	9 Months Ended		12 Months Ended
FAIR VALUE ACCOUNTING - Narrative (Details) $ in Thousands	Sep. 30, 2023 USD ($) percentagepoint	Feb. 14, 2023 percentagepoint	Jan. 24, 2023 shares	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Change In Value Of Investments Accounted At Fair Value				$ 8,890	$ 3,121		$ 6,701	$ (13,716)
Convertible Note, decrease in fair value						$ (6,610)
Measurement Input, Price Volatility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes Receivable, Fair Value Measurement Input \| percentagepoint	0.55	0.60
Measurement Input, Yield
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes Receivable, Fair Value Measurement Input \| percentagepoint	0.103	0.095
Virginia Energy Resources Inc. \| CUR
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired			100.00%
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Entity Shares Issued Per Acquiree Share \| shares			0.26
Business Combination, Number of Common Stock Shares Acquired \| shares			9,439,857
Business Combination, Acquired Shares Converted To Common Stock \| shares			2,454,362
Virginia Energy Resources Inc. \| Energy Fuels
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Shares Converted Into Common Stock \| shares			16,189,548
CUR \| Energy Fuels
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired			16.70%
Virginia Energy Resources Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage Of Fair Value Investment									13.50%
Virginia Energy Resources Inc. \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments accounted for at fair value									$ 2,830
Consolidated Uranium Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage Of Fair Value Investment							15.70%		17.40%
Investments accounted for at fair value	$ 26,070			$ 26,070			$ 26,070
Consolidated Uranium Inc. \| Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments accounted for at fair value									$ 16,500