v3.25.2
Income taxes - Component of Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Income taxes        
Expected tax expense, at U.S. federal statutory income tax rate of 21% $ 212 $ 2,048 $ 485 $ 3,792
Rate differences on equity in earnings of Kronos, net of dividends (275) (776) (594) (1,558)
U.S. state income taxes and other, net 20 30 43 56
Income tax expense (benefit) $ (43) $ 1,302 $ (66) $ 2,290