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INVESTMENT IN EQUITY SECURITIES - Narrative (Details) € in Thousands							7 Months Ended	9 Months Ended		12 Months Ended		72 Months Ended
	Jul. 23, 2025 USD ($)	Jul. 02, 2025 USD ($)	Oct. 22, 2024 USD ($)	Apr. 26, 2024 USD ($)	Jul. 07, 2021 USD ($)	Apr. 01, 2020 USD ($)	Jul. 28, 2025 USD ($)	Sep. 30, 2025 USD ($) shares	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) shares	Dec. 31, 2009 EUR (€)	Dec. 31, 2024 USD ($)	Mar. 31, 2021
Schedule of Equity Method Investments [Line Items]
Investment impairment								$ 0	$ 0
BTY
Schedule of Equity Method Investments [Line Items]
Purchases from related party							$ 7,400,000		$ 8,700,000
Accounts payable and other accrued liabilities							$ 2,100,000			$ 2,500,000		$ 2,500,000
Dianosic
Schedule of Equity Method Investments [Line Items]
Investment in equity securities	$ 4,100,000
Ownership percentage of equity method investment	21.00%
Goldrain
Schedule of Equity Method Investments [Line Items]
Investment in equity securities			$ 99,000,000
Ownership percentage of equity method investment			40.00%
Sonmol
Schedule of Equity Method Investments [Line Items]
Investment in equity securities						$ 5,000,000
Ownership percentage of equity method investment						30.00%
Others
Schedule of Equity Method Investments [Line Items]
Investment in equity securities | €											€ 574
Ownership percentage of equity method investment											23.00%
Yangi
Schedule of Equity Method Investments [Line Items]
Investment in equity securities		$ 3,200,000
Investment ownership percentage		0.10
Loop | Preferred Stock
Schedule of Equity Method Investments [Line Items]
Investment in equity securities												2,900,000
PureCycle
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage													0.01
PureCycle | Preferred Stock
Schedule of Equity Method Investments [Line Items]
Investment in equity securities												3,000,000
Equity received in exchange for services				$ 200,000								$ 700,000
Purecycle | Preferred Stock
Schedule of Equity Method Investments [Line Items]
Number of shares sold (in shares) | shares								0		0
YAT
Schedule of Equity Method Investments [Line Items]
Investment in equity securities					$ 5,900,000
Investment ownership percentage					0.10
BTY Acquisition
Schedule of Equity Method Investments [Line Items]
Beneficial ownership percentage							49.00%
Total ownership percentage							80.00%

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