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Investments

12 Months Ended

Dec. 31, 2021

Investments, Debt and Equity Securities [Abstract]

Investments

Investments

Investment Components

The components of investments were as follows:

						Adjusted Cost Basis						Unrealized Gains						Unrealized Losses						Fair Value						Cash and Cash Equivalents						Marketable Securities - Current						Marketable Securities - Non-current
December 31, 2021
Changes in Fair Value Recorded in Other Comprehensive Loss
Asset backed securities						$	111,619					$	1					$	(68)					$	111,552					$	—					$	5,372					$	106,180
Certificates of deposits						6,002						—						—						6,002						—						6,002						—
Corporate notes and bonds						207,169						21						(201)						206,990						3,026						132,688						71,276
Commercial paper						109,391						—						—						109,391						24,193						85,198						—
Money market funds						51,768						—						—						51,768						51,768						—
Foreign government securities						8,186						—						(5)						8,181						—						3,008						5,173
US government securities						86,783						4						—						86,787						—						86,787						—
Total investments						$	580,918					$	26					$	(274)					$	580,671					$	78,987					$	319,055					$	182,629

The Company did not have marketable securities during the year ended December 31, 2020.

Non-marketable equity securities are investments in privately held companies without readily determinable fair values. The carrying value of the Company’s investments without readily determinable fair values was $55.6 million as of December 31, 2021 and is classified within “Investments in non-marketable equity securities” in our consolidated balance sheets. The Company did not have any investments without readily determinable fair values as of December 31, 2020. The Company did not record any adjustments to the carrying value of its non-marketable equity securities accounted for under the measurement alternative, and did not recognize any gains or losses related to the sale of non-marketable equity securities in the year ended December 31, 2021.

Unrealized Losses on Marketable Securities

The Company did not have any marketable securities with unrealized losses for more than 12 months. Unrealized losses from fixed-income securities are primarily attributable to changes in interest rates.

Marketable Securities Maturities

						Adjusted						Estimated
						Cost Basis						Fair Value
December 31, 2021
Due in one year or less						$	319,137					$	319,053
Due after one year through five years						182,793						182,631
Due after five years through 10 years						—						—
Total						$	501,930					$	501,684

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- References

No definition available.

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- Definition

The entire disclosure for investments in certain debt and equity securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 320
-URI http://asc.fasb.org/subtopic&trid=2209399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-URI http://asc.fasb.org/subtopic&trid=2324412

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-URI http://asc.fasb.org/topic&trid=2196928

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 320
-URI http://asc.fasb.org/subtopic&trid=2176304

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1403
-Paragraph (b)

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