• Filing Date: 2020-03-06
  • Form Type: 10-K
  • Description: Annual report
v3.19.3.a.u2
Investments (Other Investments) - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Other Types Of Investments [Member]      
Schedule of Investments [Line Items]      
Net realized gain related to other investment $ 54 $ 69 $ 0