XML 169 R145.htm IDEA: XBRL DOCUMENT v3.24.4
Bank loans (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Bank loans      
Beginning balance $ 0 $ 50,000  
New loans 49,000 0 $ 50,000
Payments (49,000) (50,000) (65,793)
Final balance $ 0 $ 0 $ 50,000