v3.26.1
Defined Contribution Plan (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Defined Contribution Plan Disclosure [Line Items]    
Deferral rate percentage 3.00%  
Employer initial match of gross pay 100.00%  
Initial percentage of gross pay 3.00%  
Employer match on additional gross pay 50.00%  
Addition percentage of gross pay 2.00%  
Vesting percentage of safe harbor deferrals 100.00%  
Defined contribution plan, cost $ 1.3 $ 1.0
Legacy Spruce Power    
Defined Contribution Plan Disclosure [Line Items]    
Defined contribution plan, employer safe harbor non-elective contribution, percent of employee's gross pay 3.00%  
Minimum    
Defined Contribution Plan Disclosure [Line Items]    
Annual contribution rate 1.00%  
Minimum | Legacy Spruce Power    
Defined Contribution Plan Disclosure [Line Items]    
Annual contribution rate 80.00%  
Maximum    
Defined Contribution Plan Disclosure [Line Items]    
Annual contribution rate 90.00%  
Maximum | Legacy Spruce Power    
Defined Contribution Plan Disclosure [Line Items]    
Annual contribution rate 1.00%