XML 65 R52.htm IDEA: XBRL DOCUMENT v3.21.2
Investments - Summary of Investments in Private Equity Funds (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]    
Investment in Private Equity Funds $ 56,350 $ 59,508
Private Equity Funds [Member]    
Schedule of Equity Method Investments [Line Items]    
Investment in Private Equity Funds 13,529 12,095
Glisco II, III and IV [Member] | Private Equity Funds [Member]    
Schedule of Equity Method Investments [Line Items]    
Investment in Private Equity Funds 3,633 2,802
Trilantic IV, V and VI [Member] | Private Equity Funds [Member]    
Schedule of Equity Method Investments [Line Items]    
Investment in Private Equity Funds $ 9,896 $ 9,293