XML 51 R39.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Investments in debt and equity securities (Detail) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Investment Holdings [Line Items]    
Debt securities $ 15,293 $ 22,109
Investments in equity securities 37,179 37,391
Equity Securities, FV-NI 37,179 37,391
Total 52,472 59,500
Debt securities, short-term investments 15,293 7,110
Short-term investments 20,693 11,610
Debt securities, long-term investments 0 14,999
Long-term investments 31,779 47,890
Certificates of deposit and other time deposits    
Investment Holdings [Line Items]    
Debt securities 15,293 22,109
Investments in equity securities 0 0
Total 15,293 22,109
Investments in mutual funds and common stocks    
Investment Holdings [Line Items]    
Debt securities 0 0
Investments in equity securities 37,179 37,391
Total 37,179 37,391
Short-term Investments    
Investment Holdings [Line Items]    
Investments in equity securities 5,400 4,500
Long-term Investments    
Investment Holdings [Line Items]    
Equity Securities, FV-NI, Noncurrent $ 31,779 $ 32,891