XML 55 R43.htm IDEA: XBRL DOCUMENT v3.20.2
Investments - Investment Income (Expense) Comprised Primarily of Interest and Dividends (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Net Investment Income [Line Items]        
Total investment income $ 5,294 $ 8,420 $ 19,874 $ 25,419
Less: Investment expenses (737) (807) (2,304) (2,254)
Net investment income 4,557 7,613 17,570 23,165
Debt Securities [Member]        
Net Investment Income [Line Items]        
Investment income 4,394 6,316 16,425 18,508
Equity Securities [Member]        
Net Investment Income [Line Items]        
Investment income 583 487 1,732 2,091
Cash and Cash Equivalents [Member]        
Net Investment Income [Line Items]        
Investment income 49 1,374 935 4,066
Other [Member]        
Net Investment Income [Line Items]        
Investment income $ 268 $ 243 $ 782 $ 754