XML 41 R31.htm IDEA: XBRL DOCUMENT v3.23.3
INVESTMENTS (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Schedule of Investments [Line Items]          
Long-term Investments $ 7,247   $ 7,247   $ 4,455
Estimated Fair Value 31,571   31,571   18,369
Cost 31,803   31,803   $ 16,121
Cost Method Investments 4,400   4,400    
Long-term Investments Carried at Fair Value using NAV 300   300    
Equity Method Investment, Ownership Percentage         47.50%
Net change in unrealized appreciation (depreciation) on private investments 0 $ (249) 24 $ (511)  
us-gaap_EquitySecuritiesMember [Member]          
Schedule of Investments [Line Items]          
Cost $ 164   $ 164   $ 159