PROPERTY, PLANT AND EQUIPMENT AND CONSTRUCTION-IN-PROCESS - Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 5,605,216	$ 4,883,933
Asset retirement cost	59,831	59,123
Less accumulated depreciation	(2,103,330)	(1,884,984)
Property, plant and equipment, net	3,501,886	2,998,949
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	51,500	47,612
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	12,746	12,588
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	389,252	341,931
Land, buildings and office equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	145,272	127,970
Vehicles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	20,159	17,097
Energy storage equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	324,065	158,604
Solar facility equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	97,502	59,214
Geothermal and recovered energy generation power plants | United States
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	3,585,209	3,191,505
Geothermal and recovered energy generation power plants | Foreign countries
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 919,680	$ 868,289