GENERAL AND BASIS OF PRESENTATION - TOPP2 Power Plant in New Zealand (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Disaggregation of Revenue [Line Items]
Net revenue from external customers	$ 403,911	$ 229,762
Deferred income taxes	127,557		$ 138,903
Cash received from sale of a power plant	93,136	$ 0
TOPP2 Power Plant
Disaggregation of Revenue [Line Items]
Net revenue from external customers	105,100
Deferred income taxes			$ 12,000
Cash received from sale of a power plant	$ 93,100