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TRANSACTIONS - Joint Venture with Astron on the Donald Project (Details) $ in Thousands, $ in Millions			6 Months Ended		12 Months Ended	13 Months Ended
	Jun. 30, 2025 USD ($)	Sep. 24, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 03, 2025 USD ($)	Jun. 30, 2025 USD ($)	Sep. 25, 2024	Jun. 03, 2024 USD ($)	Jun. 03, 2024 AUD ($)
Variable Interest Entity [Line Items]
Amount expected to be invested within the next year			$ 6,874	$ 2,149
Variable interest entity, maximum loss exposure	$ 18,660		$ 18,660			$ 18,660
Donald Project Joint Venture
Variable Interest Entity [Line Items]
Equity method, ownership percentage	6.61%		6.61%			6.61%	3.21%
Astron Corporation Limited | Donald Project Joint Venture
Variable Interest Entity [Line Items]
Equity method, ownership percentage	93.39%		93.39%			93.39%
Private Placement
Variable Interest Entity [Line Items]
Stock Issued During Period, Value, New Issues For Joint Venture Interest		$ 3,500
Private Placement | Maximum
Variable Interest Entity [Line Items]
Value of common shares issued in transaction					$ 17,500
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Maximum right to invest								$ 119,890	$ 183
Maximum possible ownership percentage					49.00%
Amount expected to be invested within the next year	$ 13,000					$ 18,660

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