LONG-TERM DEBT, CREDIT AGREEMENTS AND FINANCE LIABILITY - Third-Party Debt (Details) $ in Thousands, ₪ in Billions	Dec. 31, 2024 USD ($)	Nov. 20, 2024	Nov. 19, 2024 USD ($)	Sep. 26, 2024 USD ($)	May 22, 2024 USD ($)	Mar. 28, 2024 USD ($)	Jan. 02, 2024 USD ($)	Dec. 31, 2023	Nov. 01, 2023 USD ($)	Sep. 30, 2023	Feb. 27, 2023 USD ($)	Nov. 28, 2022 USD ($)	Apr. 12, 2022 USD ($)	Sep. 02, 2021 USD ($)	Jul. 15, 2021 USD ($)	Jul. 12, 2021 USD ($)	Jul. 01, 2020 USD ($)	Jul. 01, 2020 ILS (₪)	Apr. 30, 2020 USD ($)	Mar. 25, 2019 USD ($)	Apr. 30, 2018 USD ($)	Mar. 22, 2018 USD ($)	Aug. 23, 2012 USD ($)
Nonrecourse Debt
Debt Instrument [Line Items]
Debt instrument, face amount	$ 189,100
Long-term debt, gross	106,400
Hapoalim 2024 Loan
Debt Instrument [Line Items]
Debt instrument, face amount	75,000						$ 75,000
Long-term debt, gross	$ 68,000
Annual interest rate	6.60%
HSBC Bank 2024 Loan
Debt Instrument [Line Items]
Debt instrument, face amount	$ 125,000						$ 125,000
Long-term debt, gross	$ 112,500
Annual interest rate	2.25%
Discount 2024 Loan
Debt Instrument [Line Items]
Debt instrument, face amount	$ 31,800				$ 31,800
Long-term debt, gross	$ 29,800
Annual interest rate	6.75%
Discount 2024 II Loan
Debt Instrument [Line Items]
Debt instrument, face amount	$ 50,000			$ 50,000
Long-term debt, gross	$ 48,400
Annual interest rate	2.35%
Mizrahi Loan 2023
Debt Instrument [Line Items]
Debt instrument, face amount	$ 50,000								$ 50,000
Long-term debt, gross	$ 43,800
Annual interest rate	7.15%
Hapoalim Loan 2023
Debt Instrument [Line Items]
Debt instrument, face amount											$ 100,000					$ 100,000
Long-term debt, gross	$ 85,000
Annual interest rate	6.45%
Mizrahi Loan
Debt Instrument [Line Items]
Debt instrument, face amount	$ 75,000												$ 75,000
Long-term debt, gross	$ 51,600
Annual interest rate	4.10%
Hapoalim Loan
Debt Instrument [Line Items]
Debt instrument, face amount	$ 125,000															$ 125,000
Long-term debt, gross	$ 62,500
Annual interest rate	3.45%
HSBC Loan
Debt Instrument [Line Items]
Debt instrument, face amount															$ 50,000
HSBC Loan | HSBC Bank PLC
Debt Instrument [Line Items]
Debt instrument, face amount	$ 50,000
Long-term debt, gross	$ 28,600
Annual interest rate	3.45%
Discount Loan
Debt Instrument [Line Items]
Debt instrument, face amount	$ 100,000													$ 100,000
Long-term debt, gross	$ 62,500
Annual interest rate	2.90%
Senior Unsecured Bonds - Series 4
Debt Instrument [Line Items]
Debt instrument, face amount	$ 289,800																$ 289,800	₪ 1.0
Long-term debt, gross	$ 192,200
Annual interest rate	3.35%
Total Senior Unsecured Loan
Debt Instrument [Line Items]
Debt instrument, face amount	$ 200,000
Long-term debt, gross	141,200
Migdal Loan
Debt Instrument [Line Items]
Debt instrument, face amount	100,000																					$ 100,000
Long-term debt, gross	$ 70,600
Annual interest rate	4.80%
Additional Migdal Loan
Debt Instrument [Line Items]
Debt instrument, face amount	$ 50,000																			$ 50,000
Long-term debt, gross	$ 35,300
Annual interest rate	4.60%
Second Addendum Migdal Loan
Debt Instrument [Line Items]
Debt instrument, face amount	$ 50,000																		$ 50,000
Long-term debt, gross	$ 35,300
Annual interest rate	5.44%
Olkaria IV Loan - DEG 2, DEG 3 and DEG 4
Debt Instrument [Line Items]
Debt instrument, face amount	$ 121,500
Long-term debt, gross	62,800
DEG 2 Loan
Debt Instrument [Line Items]
Debt instrument, face amount	50,000
Long-term debt, gross	$ 17,500
Annual interest rate	6.28%
DEG 3 Loan
Debt Instrument [Line Items]
Debt instrument, face amount	$ 41,500
Long-term debt, gross	$ 15,300
Annual interest rate	6.04%
DEG 4 Loan
Debt Instrument [Line Items]
Debt instrument, face amount	$ 30,000
Long-term debt, gross	$ 30,000
Annual interest rate	7.90%
Bottleneck Loan
Debt Instrument [Line Items]
Annual interest rate	6.31%
Bottleneck Loan | Senior notes
Debt Instrument [Line Items]
Debt instrument, face amount	$ 72,600		$ 72,600
Long-term debt, gross	72,600
Annual interest rate		6.31%
Mammoth Senior Secured Notes | Senior notes
Debt Instrument [Line Items]
Debt instrument, face amount	135,100					$ 135,100
Long-term debt, gross	$ 129,200
Annual interest rate	6.73%					6.73%
Loan agreement with DFC (the Olkaria III power plant)
Debt Instrument [Line Items]
Debt instrument, face amount	$ 310,000																						$ 310,000
Long-term debt, gross	102,600
Loan agreement with DFC (the Olkaria III power plant) | Tranche One
Debt Instrument [Line Items]
Debt instrument, face amount	85,000
Long-term debt, gross	$ 28,300
Annual interest rate	6.34%
Loan agreement with DFC (the Olkaria III power plant) | Tranche Two
Debt Instrument [Line Items]
Debt instrument, face amount	$ 180,000
Long-term debt, gross	$ 58,200
Annual interest rate	6.29%
Loan agreement with DFC (the Olkaria III power plant) | Tranche Three
Debt Instrument [Line Items]
Debt instrument, face amount	$ 45,000
Long-term debt, gross	$ 16,100
Annual interest rate	6.12%
Loan agreement with DFC (the Platanares power plant)
Debt Instrument [Line Items]
Debt instrument, face amount	$ 114,700																				$ 114,700
Long-term debt, gross	$ 63,500
Annual interest rate	7.02%
Don A. Campbell 1 Senior Secured Notes ("DAC 1")
Debt Instrument [Line Items]
Debt instrument, face amount	$ 92,500
Long-term debt, gross	$ 52,200
Annual interest rate	4.03%
OFC 2 Senior Secured Notes
Debt Instrument [Line Items]
Debt instrument, face amount	$ 291,700
Long-term debt, gross	126,900
OFC 2 Senior Secured Notes | Series A Senior Notes
Debt Instrument [Line Items]
Debt instrument, face amount	151,700
Long-term debt, gross	$ 56,200
Annual interest rate	4.69%
OFC 2 Senior Secured Notes | Series C Senior Notes
Debt Instrument [Line Items]
Debt instrument, face amount	$ 140,000
Long-term debt, gross	$ 70,700
Annual interest rate	4.61%
Idaho Refinancing Note
Debt Instrument [Line Items]
Debt instrument, face amount												$ 61,600
Annual interest rate												6.26%
Idaho Refinancing Note | Nonrecourse Debt
Debt Instrument [Line Items]
Debt instrument, face amount	$ 61,600
Long-term debt, gross	$ 55,900
Annual interest rate	6.26%
DOE loan guarantee | Nonrecourse Debt
Debt Instrument [Line Items]
Debt instrument, face amount	$ 96,800
Long-term debt, gross	$ 27,500
Annual interest rate	2.60%
USG Prudential - NV | Nonrecourse Debt
Debt Instrument [Line Items]
Debt instrument, face amount	$ 30,700
Long-term debt, gross	$ 23,000
Annual interest rate	6.75%
Finance liability
Debt Instrument [Line Items]
Long-term debt, gross	$ 220,600
Annual interest rate	6.11%							6.12%		2.55%