v3.21.2
Investments - Remaining Unfunded Commitments on Other Investments (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value $ 66,351 $ 63,313
% of Total 100.00% 100.00%
Private equity investments    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value $ 10,076 $ 9,580
% of Total 15.20% 15.20%
Private credit lending investments    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value $ 26,610 $ 33,584
% of Total 40.10% 53.00%
Investments in direct lending entities    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value $ 19,823 $ 19,823
% of Total 29.90% 31.30%
Investment in limited partnerships    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value $ 9,842 $ 326
% of Total 14.80% 0.50%
Equity Method Investments    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value $ 45,691