• Filing Date: 2020-03-06
  • Form Type: 10-K
  • Description: Annual report
v3.19.3.a.u2
Investments - Schedule of Company's Investments in Limited Partnerships (Parenthetical) (Detail)
$ in Thousands
1 Months Ended 12 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Schedule of Investments [Line Items]    
Additional funding circumstances $ 843 $ 843
Private US Lower Middle Market Companies [Member]    
Schedule of Investments [Line Items]    
Expected term   10 years
Investment additional maturity term   2 years
Bank Loans Public and Private Corporate Bonds Asset Backed Securities Equity and Debt Restructuring [Member]    
Schedule of Investments [Line Items]    
Expected term   3 years
Investment additional maturity term   2 years
Power Utility and Energy Industries and Infrastructure [Member]    
Schedule of Investments [Line Items]    
Expected term   10 years
Investment additional maturity term   3 years
Expiration date of capital commitment   Jun. 30, 2020
Senior and Junior Debts of Private Equity-Backed Companies [Member]    
Schedule of Investments [Line Items]    
Expected term   6 years
Investment additional maturity term   2 years
Expiration date of capital commitment   Dec. 01, 2020
Mature Real Estate Private Equity Funds And Portfolio Globally [Member]    
Schedule of Investments [Line Items]    
Expected term 8 years