• Filing Date: 2020-03-06
  • Form Type: 10-K
  • Description: Annual report
v3.19.3.a.u2
Investments - Summary of Amortized Cost, Gross Unrealized Gains and Losses, and Estimated Fair Value of Equity Securities (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Investments Debt And Equity Securities [Abstract]    
Cost $ 31,863 $ 45,671
Gross Unrealized Gain 3,652 1,059
Gross Unrealized Loss (230) (5,587)
Estimated Fair Value $ 35,285 $ 41,143