Quarterly report pursuant to Section 13 or 15(d)

Investments - Summary of Investments (Details)

v3.19.3
Investments - Summary of Investments (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Equity Method Investments, Warrants and Options, and Variable Interest Entities [Abstract]    
Equity method investments $ 1,448  
Variable interest entity, equity method 963  
Equity securities 9,129 $ 26,313
Equity securities with no readily determinable fair value 35  
Warrants and options 120  
Total carrying value of investments 11,695 $ 31,228
Equity method investment, underlying equity in net assets $ 10,268