v3.25.2
EXTERNAL INVESTMENT MANAGER - Schedule of Balance Sheet (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2023
Investment Company, Nonconsolidated Subsidiary [Line Items]            
Total assets $ 5,287,766   $ 5,121,341      
Dividend payable to MSCC and its subsidiaries 22,767   22,100      
Equity 2,884,217 $ 2,840,133 2,797,838 $ 2,578,956 $ 2,515,970 $ 2,477,399
Total liabilities and net assets 5,287,766   5,121,341      
External Investment Manager            
Investment Company, Nonconsolidated Subsidiary [Line Items]            
Accounts receivable - advisory clients 10,688   10,183      
Intangible asset 29,500   29,500      
Total assets 40,188   39,683      
Accounts payable to MSCC and its subsidiaries 7,839   7,785      
Dividend payable to MSCC and its subsidiaries 2,849   2,398      
Equity 29,500   29,500      
Total liabilities and net assets $ 40,188   $ 39,683