XML 64 R55.htm IDEA: XBRL DOCUMENT v3.23.3
Fair value estimates - Transfers Between Levels (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Fair value estimates    
Fair value of assets transfers into level 3 $ 0 $ 0
Fair value of assets transfers out of level 3 0 0
Fair value of liabilities transfers into level 3 0 0
Fair value of liabilities transfers out of level 3 $ 0 $ 0