v3.26.1
Segment information - Narrative (Details)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
segment
Jun. 30, 2025
USD ($)
Dec. 31, 2025
segment
Segment Reporting [Line Items]          
Number of reportable segments | segment     2   3
Total consolidated $ 48 $ 822 $ 480 $ 1,395  
Cespira | Operating Segments          
Segment Reporting [Line Items]          
Total consolidated $ 1,515 $ 322 $ 2,543 $ 1,571