Quarterly report [Sections 13 or 15(d)]

Income taxes (Narrative) (Details)

v3.26.3
Income taxes (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2026
Income taxes          
Minimum ownership interest in subsidiaries for consolidated income tax return     80.00%    
Income tax (benefit) expense $ (56,000) $ 26,000 $ 5,395,000 $ 196,000  
Pre-tax (loss) income $ (8,310,000) $ 8,853,000 $ 134,906,000 $ (27,322,000)  
Effective income tax rate 0.70%        
Estimated annual effective tax rate     4.00%    
Forecast          
Income taxes          
Estimated annual effective tax rate         4.10%