v3.26.3
PROPERTY, PLANT, AND EQUIPMENT - SAMSON AND DELILAH - STORM DAMAGE (Details) - Electric - generation - USD ($)
$ in Millions
3 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Sep. 30, 2025
Jun. 30, 2025
Samson I Solar Energy Center        
Property, plant, and equipment        
Impairment due to storm damage       $ 2.8
Insurance receivable       2.8
Samson I Solar Energy Center and Delilah Solar Energy        
Property, plant, and equipment        
Impairment due to storm damage     $ 12.0 $ 8.8
Delilah Solar Energy LLC        
Property, plant, and equipment        
Impairment due to storm damage $ 1.3 $ 1.7    
Balance of the impairment due to storm damage at the end of the period $ 3.0