v3.26.1
Revenue and operating segments (Details) - SEK (kr)
kr in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]    
Revenue kr 457,840 kr 388,377
Transport Services [Member]    
IfrsStatementLineItems [Line Items]    
Revenue 430,494 323,801
Rental Incomes [Member]    
IfrsStatementLineItems [Line Items]    
Revenue kr 27,346 kr 64,576