• Filing Date: 2019-03-08
  • Form Type: 10-K
  • Description: Annual report
v3.10.0.1
Investments - Summary of Proceeds Received and The Gross Realized Gains and Losses From Sales of Equity Securities (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Debt and Equity Securities, FV-NI [Line Items]      
Proceeds from sales of equity securities $ 66,439 $ 45,282 $ 23,127
Equity Securities [Member]      
Debt and Equity Securities, FV-NI [Line Items]      
Proceeds from sales of equity securities 66,439 45,282 23,127
Gross Realized Gains sales of equity securities 7,324 3,993 2,656
Gross Realized Losses sales of equity securities $ (1,933) $ (1,642) $ (580)