• Filing Date: 2018-03-07
  • Form Type: 10-K
  • Description: Annual report
v3.8.0.1
Investments - Summary of Proceeds Received and The Gross Realized Gains and Losses From Sales of Trading Equity Securities (Detail)
$ in Thousands
12 Months Ended
Dec. 31, 2017
USD ($)
Schedule of Trading Securities and Other Trading Assets [Line Items]  
Proceeds sales of trading equity securities $ 2,625
Equity Securities [Member]  
Schedule of Trading Securities and Other Trading Assets [Line Items]  
Proceeds sales of trading equity securities 2,625
Gross Realized Gains sales of trading equity securities 111
Gross Realized Losses sales of trading equity securities $ (77)