v3.26.1
Property, Plant and Equipment - Narrative (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Sep. 30, 2024
USD ($)
project
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
project
Dec. 31, 2024
USD ($)
Sep. 30, 2024
USD ($)
project
Mar. 31, 2024
USD ($)
project
Dec. 31, 2025
USD ($)
solar_project
project
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
wind_repower_project
MW
Property, Plant and Equipment [Line Items]                  
Development costs   $ 63,400   $ 91,800     $ 61,700 $ 91,800  
Number of solar projects | solar_project             2    
Insurance recovery receivable             $ 9,100    
Impairment of long-lived assets, net           $ 6,100      
Number of development stage projects | project 2       2        
Upfront payments to customers, impairment loss               3,500  
Accelerated depreciation expense             1,300    
Litigation settlement               2,700  
Litigation settlement, gain               1,700  
Impairment of long-lived assets, net and termination costs             40,100 74,800 $ 59,294
Number of projects that were impacted from change in state legislature | project           6      
Impairment of long-lived assets, net and termination costs   463 $ 13,665   $ 12,900   46,846 88,410 59,294
Impairment loss             2,800 1,300 0
Impairment of intangible assets (excluding goodwill)               $ 3,500  
Impairment, Intangible Asset, Statement of Income or Comprehensive Income [Extensible Enumeration]               Impairment of long-lived assets, net and termination costs  
Impairment of long-lived assets       5,400          
(Gain) loss on sale of Illinois Winds LLC               $ 13,600  
Accelerated depreciation due to damages incurred                 $ 1,000
Power of solar panel (in megawatts) | MW                 107
Total purchase price       $ 33,100       33,100 $ 39,200
Payment for obligations $ 16,600                
Percentage of deposits 50.00%       50.00%        
Amount received from vendor for solar panels $ 600       $ 600        
Loss of direct operating costs $ 16,000       $ 16,000        
Number of wind repower projects | wind_repower_project                 3
Number of repower projects with accelerated depreciation, beginning | wind_repower_project                 3
Accelerated depreciation                 $ 51,900
Investment Management                  
Property, Plant and Equipment [Line Items]                  
Impairment of intangible assets (excluding goodwill)               50,400  
Plant and equipment                  
Property, Plant and Equipment [Line Items]                  
Impairment of long-lived assets, net             35,100    
Upfront payments to customers, impairment loss     1,600       5,000    
Impairment of long-lived assets, net and termination costs               6,300  
Impairment of long-lived assets, net and termination costs   500              
Impairment loss               $ 3,100  
Power Purchase Agreements ("PPA")                  
Property, Plant and Equipment [Line Items]                  
Loss on contract termination     1,000       6,800    
Plant and equipment                  
Property, Plant and Equipment [Line Items]                  
Damage from infrequent event             9,100    
Insurance proceeds from fire damage   $ 3,000         1,200    
Long-lived assets, impairment loss     $ 12,700       $ 40,100    
Number of operational wind project impairments | project     2       2    
Number of development stage projects | project     6       9    
Manufacturing Facility                  
Property, Plant and Equipment [Line Items]                  
Impairment of long-lived assets, net and termination costs                 $ 7,300