XML 86 R60.htm IDEA: XBRL DOCUMENT v3.24.0.1
Income taxes - Components of income tax expense (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Current      
Federal $ 0 $ 0 $ 0
State 209 0 0
Current income taxes 209 0 0
Deferred      
Federal 22,314 11,444 0
State 1,960 1,406 0
Deferred income taxes 24,274 12,850 0
Income tax expense 24,483 12,850 0
State income taxes, net of federal benefit 2,169 1,110 $ 0
Net operating loss carryforwards $ 13,677 $ 11,500