|12 Months Ended|
Dec. 31, 2018
|Cash And Cash Equivalents [Abstract]|
3. Marketable Securities
Marketable available-for-sale securities as of December 31, 2018 and 2017 consist of the following (in thousands):
The Company’s commercial paper and corporate debt securities consist of U.S. and foreign securities, from issuers in various sectors including finance and industry. The Company’s asset-backed securities consist of credit card receivables with investment-grade ratings.
As of December 31, 2018 and 2017, the remaining contractual maturities of the Company’s commercial paper, corporate debt securities, asset-backed securities, and U.S. treasury securities were less than 1 year. There were no realized gains and losses for the years ended December 31, 2018, 2017 and 2016. None of these investments have been in a continuous unrealized loss position for more than 12 months as of December 31, 2018 and 2017.
See Note 2 for further information regarding the fair value of the Company’s financial statements.
The entire disclosure of cash, cash equivalents, and debt and equity securities, including any unrealized or realized gain (loss).
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef