INVESTMENT IN UNCONSOLIDATED COMPANIES - Unconsolidated Investments Mainly in Power Plants (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Investment in unconsolidated companies	$ 144,585	$ 125,439
Investment in Sarulla
Schedule of Equity Method Investments [Line Items]
Investment in unconsolidated companies	69,718	71,744
Investment in Ijen
Schedule of Equity Method Investments [Line Items]
Investment in unconsolidated companies	72,367	51,695
Other investment, at cost
Schedule of Equity Method Investments [Line Items]
Other investment, at cost	$ 2,500	$ 2,000