GENERAL AND BASIS OF PRESENTATION - Solar and Storage Facility Purchase Transaction - Narrative (Details) - Innergex Renewables USA LLC $ in Millions		3 Months Ended
	Jan. 29, 2026 USD ($) MW	Mar. 31, 2026 USD ($)
Business Combination [Line Items]
Total cash consideration paid	$ 79.3
Business acquisition, percentage of voting interests acquired	100.00%
Power generation capacity, megawatts | MW	30
Power generation storage capacity, minimum megawatts | MW	30
Power generation storage capacity, maximum megawatts | MW	120
Fixed price power purchase agreement period	25 years
Business combination, acquisition related costs		$ 0.8
Business combination, pro forma information, earnings or loss of acquiree since acquisition date, actual		1.2
Storage
Business Combination [Line Items]
Business combination, pro forma information, revenue of acquiree since acquisition date, actual		$ 2.0