Marketable Securities (Tables)
|12 Months Ended|
Dec. 31, 2018
|Cash And Cash Equivalents [Abstract]|
|Marketable Available-for-Sale Securities||
Marketable available-for-sale securities as of December 31, 2018 and 2017 consist of the following (in thousands):
Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.
No definition available.