v3.26.1
Segment Reporting - Schedule of Reportable Segment Financial Results (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Sep. 30, 2024
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Revenue            
Total segment net revenue $ 34,811,000 $ 50,462,000   $ 191,221,000 $ 195,766,000 $ 173,165,000
Operating expenses            
Direct operating costs 19,320,000 23,911,000   94,580,000 111,749,000 105,586,000
General and administrative 12,062,000 17,046,000   57,459,000 52,552,000 60,617,000
Depreciation, amortization and accretion 16,831,000 21,628,000   80,782,000 81,953,000 125,743,000
Impairment of long-lived assets, net and termination costs 463,000 13,665,000 $ 12,900,000 46,846,000 88,410,000 59,294,000
Total operating expenses 48,676,000 76,250,000   374,706,000 523,940,000 350,637,000
Operating loss (13,865,000) (25,788,000)   (183,485,000) (328,174,000) (177,472,000)
Interest expense, net (12,072,000) (36,566,000)   (79,892,000) (7,612,000) (20,328,000)
Change in fair value of investments, net (5,745,000) 990,000   (5,380,000) (14,701,000) 932,000
Income from sale-leaseback transfer of tax benefits 10,188,000 10,188,000   32,951,000 22,764,000 0
Other income, net 153,000 148,000   (2,624,000) 2,436,000 (267,000)
Loss before income taxes (21,341,000) (51,028,000)   (223,013,000) (325,287,000) (197,135,000)
Independent Power Producer            
Revenue            
Total segment net revenue 32,293,000 47,202,000   179,739,000 177,009,000 159,675,000
Operating Segments | Independent Power Producer            
Revenue            
Total segment net revenue 32,293,000 47,202,000   179,739,000 177,009,000 159,675,000
Operating expenses            
Direct operating costs 17,334,000 18,647,000   81,868,000 95,049,000 91,911,000
General and administrative 2,831,000 3,283,000   12,120,000 15,231,000 13,992,000
Depreciation, amortization and accretion 15,656,000 19,217,000   76,483,000 73,790,000 116,506,000
Impairment of long-lived assets, net and termination costs 463,000 13,665,000   46,846,000 37,982,000 59,294,000
Total operating expenses 36,284,000 54,812,000   312,656,000 429,700,000 281,703,000
Operating loss (3,991,000) (7,610,000)   (132,917,000) (252,691,000) (122,028,000)
Operating Segments | Investment Management            
Revenue            
Total segment net revenue 2,518,000 3,260,000   11,482,000 18,757,000 13,490,000
Operating expenses            
Direct operating costs 1,986,000 5,264,000   12,712,000 16,700,000 13,675,000
General and administrative 1,153,000 1,302,000   4,292,000 8,020,000 3,680,000
Depreciation, amortization and accretion 1,175,000 2,411,000   4,299,000 8,163,000 9,237,000
Impairment of long-lived assets, net and termination costs 0 0   0 50,428,000 0
Total operating expenses 4,314,000 8,977,000   21,303,000 104,287,000 26,592,000
Operating loss (1,796,000) (5,717,000)   (9,821,000) (85,530,000) (13,102,000)
All Other            
Revenue            
Total segment net revenue 0 0   0 0 0
Operating expenses            
Direct operating costs 0 0   0 0 0
General and administrative 8,078,000 12,461,000   41,047,000 29,301,000 42,945,000
Depreciation, amortization and accretion 0 0   0 0 0
Impairment of long-lived assets, net and termination costs 0 0   0 0 0
Total operating expenses 8,078,000 12,461,000   40,747,000 (10,047,000) 42,342,000
Operating loss $ (8,078,000) $ (12,461,000)   $ (40,747,000) $ 10,047,000 $ (42,342,000)