XML 172 R158.htm IDEA: XBRL DOCUMENT v3.23.1
The Nature of Expenses - Employee benefits expense summarized by function (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Statement [line items]      
Employee benefits expense $ 162,943 $ 146,809 $ 103,357
Cost of Revenues      
Statement [line items]      
Employee benefits expense 6,273 7,856 5,579
Operating Expenses      
Statement [line items]      
Employee benefits expense $ 156,670 $ 138,953 $ 97,778