Quarterly report pursuant to Section 13 or 15(d)

Investments - Summary of Investments (Details)

v3.19.1
Investments - Summary of Investments (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Business Combinations [Abstract]    
Equity method investments $ 2,197  
Variable interest entity, equity method 1,059  
Equity securities 27,723 $ 26,313
Equity securities with no readily determinable fair value 438  
Warrants and options 880  
Total carrying value of investments 32,297 $ 31,228
Equity method investment, underlying equity in net assets $ 9,760