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Summary of Significant Accounting Policies - Useful life of property and equipment (Details)
Dec. 31, 2025
Equipment and Vehicles | Minimum  
Property and equipment  
Useful life 3 years
Equipment and Vehicles | Maximum  
Property and equipment  
Useful life 7 years
Building Leasehold Improvements | Minimum  
Property and equipment  
Useful life 5 years
Building Leasehold Improvements | Maximum  
Property and equipment  
Useful life 8 years