TAX MONETIZATION TRANSACTIONS (Details) - USD ($) $ in Thousands							12 Months Ended
	Jul. 31, 2024	Oct. 27, 2023	Dec. 23, 2022	Oct. 25, 2021	Aug. 14, 2019	May 17, 2018	Dec. 31, 2024	Dec. 31, 2023
Investments in and Advances to Affiliates, Activity [Line Items]
Noncontrolling interest, decrease from purchase of interests							$ (1,418)
Income generated from expected sale of transferable production tax credits							23,400	$ 10,800
Effective income tax rate reconciliation, tax credit, investment, amount							47,700	$ 18,700
Noncontrolling Interest
Investments in and Advances to Affiliates, Activity [Line Items]
Noncontrolling interest, decrease from purchase of interests							(1,697)
Additional Paid-in Capital
Investments in and Advances to Affiliates, Activity [Line Items]
Noncontrolling interest, decrease from purchase of interests							$ 279
Opal Geo
Investments in and Advances to Affiliates, Activity [Line Items]
Business combination, consideration transferred, total	$ 9,800
Opal Geo | Noncontrolling Interest
Investments in and Advances to Affiliates, Activity [Line Items]
Noncontrolling interest, decrease from purchase of interests	1,700
Opal Geo | Additional Paid-in Capital
Investments in and Advances to Affiliates, Activity [Line Items]
Noncontrolling interest, decrease from purchase of interests	$ 500
Common Class B | Opal Geo
Investments in and Advances to Affiliates, Activity [Line Items]
Business acquisition, percentage of coting interests acquired	100.00%
Tungsten Mountain
Investments in and Advances to Affiliates, Activity [Line Items]
Partnership agreement, initial purchase price						$ 33,400
Partnership agreement, expected additional installments						$ 13,000
Partnership agreement, percentage of distributable cash flow generated to private investor if target return not reached						100.00%
Partnership agreement, percentage of taxable income to private investor if target return not reached						99.00%
Partnership agreement, percentage of taxable income to private investor if target return not reached, no longer generating PTCs						5.00%
Partnership agreement, percentage of distributable cash flow generated						97.50%
Partnership agreement, percentage of taxable income						95.00%
North Valley Geothermal Power Plant | Ormat Nevada
Investments in and Advances to Affiliates, Activity [Line Items]
Partnership agreement, initial purchase price		$ 43,100
Partnership agreement, expected additional installments		$ 6,100
Partnership agreement, percentage of distributable cash and taxable income generated		97.50%
Partnership agreement, percentage of distributable cash flow generated to private investor if target return not reached		100.00%
Partnership agreement, percentage of taxable income to private investor if target return not reached		99.00%
Partnership agreement, percentage of taxable income to private investor if target return not reached, no longer generating PTCs		5.00%
Partnership agreement, initial purchase price, allocated to noncontrolling interest		$ 300
Partnership agreement, initial purchase price, allocated to tax benefits		$ 42,800
CD4 Geothermal Power Plant | Mammoth Complex
Investments in and Advances to Affiliates, Activity [Line Items]
Partnership agreement, initial purchase price			$ 50,300
Partnership agreement, expected additional installments			$ 7,300
Partnership agreement, percentage of distributable cash flow generated to private investor if target return not reached			75.00%
Partnership agreement, percentage of taxable income to private investor if target return not reached			99.00%
Partnership agreement, percentage of taxable income to private investor if target return not reached, no longer generating PTCs			5.00%
Partnership agreement, initial purchase price, allocated to noncontrolling interest			$ 3,900
Partnership agreement, initial purchase price, allocated to tax benefits			$ 46,400
Partnership agreement, percentage of tax attributes attributable to investor			99.00%
Partnership agreement, percentage of distributable cash flow generated			97.50%
Partnership agreement, percentage of taxable income			95.00%
Steamboat Hills Repower Geothermal Power Plant | Ormat Nevada Inc.
Investments in and Advances to Affiliates, Activity [Line Items]
Partnership agreement, initial purchase price				$ 38,900
Partnership agreement, expected additional installments				$ 5,300
Partnership agreement, percentage of distributable cash flow generated to private investor if target return not reached				100.00%
Partnership agreement, percentage of taxable income to private investor if target return not reached				99.00%
Partnership agreement, percentage of taxable income to private investor if target return not reached, no longer generating PTCs				5.00%
Partnership agreement, percentage of distributable cash flow generated				97.50%
Partnership agreement, percentage of taxable income				95.00%
McGinness Plant
Investments in and Advances to Affiliates, Activity [Line Items]
Partnership agreement, initial purchase price					$ 59,300
Partnership agreement, expected additional installments					$ 9,000
Partnership agreement, percentage of distributable cash flow generated to private investor if target return not reached					100.00%
Partnership agreement, percentage of taxable income to private investor if target return not reached					99.00%
Partnership agreement, percentage of taxable income to private investor if target return not reached, no longer generating PTCs					5.00%
Partnership agreement, percentage of distributable cash flow generated					97.50%
Partnership agreement, percentage of taxable income					95.00%
McGinness Plant | Maximum
Investments in and Advances to Affiliates, Activity [Line Items]
Partnership agreement, expected additional installments					$ 22,000