XML 51 R37.htm IDEA: XBRL DOCUMENT v3.22.4
Notes payable (Tables)
 12 Months Ended
Dec. 31, 2022
Debt Disclosure [Abstract]  
Summary of notes payable A summary of notes payable is as follows:
20222021
 (in $ thousands)
3.6% Senior Notes
444,608 444,106 
Other notes payable2,398 39,385 
447,006 483,491