|12 Months Ended|
Dec. 31, 2020
|Cash and Cash Equivalents [Abstract]|
3. Marketable Securities
Marketable available-for-sale securities 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 are collateralized by credit card receivables and have investment-grade ratings. The Company’s government securities are issued by the U.S. treasury and certain U.S. government-backed agencies. Supranational debt securities consist of securities issued with funding from various national governments, including the U.S.
As of December 31, 2020 and 2019, the remaining contractual maturities of the Company’s commercial paper, corporate debt securities, asset-backed securities, U.S. treasury and agency securities
and supranational debt securitieswere less than 1 year. There were no realized gains and losses for the years ended December 31, 2020 and 2019. None of these investments have been in a continuous unrealized loss position for more than 12 months as of December 31, 2020 and 2019.
See Note 2 for further information regarding the fair value of the Company’s financial instruments.
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