Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details

Segment Reporting - Schedule of Revenue by Reportable Operating Segment (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenue	$ 34,811	$ 50,462	$ 191,221	$ 195,766	$ 173,165
Independent Power Producer ("IPP") Segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenue	32,293	47,202	179,739	177,009	159,675
Energy revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenue	34,305	43,980	182,534	185,225	159,301
Energy revenue \| Independent Power Producer ("IPP") Segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenue	34,305	43,980	182,534	185,225	159,301
Other revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenue	447	301	4,624	6,085	8,434
Other revenue \| Independent Power Producer ("IPP") Segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenue	447	301	4,624	6,085	8,434
Contract amortization, net
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenue	(2,459)	2,921	(7,419)	(14,301)	(8,060)
Contract amortization, net \| Independent Power Producer ("IPP") Segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenue	(2,459)	2,921	(7,419)	(14,301)	(8,060)
Investment Management revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenue	2,518	3,260	11,482	18,757	13,490
Investment Management revenue \| Investment Management
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenue	$ 2,518	$ 3,260	$ 11,482	$ 18,757	$ 13,490