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Cash Equivalents and Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2021

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale Securities

At December 31, 2021, cash equivalents and marketable securities consisted of the following (in thousands):

						Amortized Cost						Unrealized Gains						Unrealized Losses						Aggregate Fair Value
Money market funds						$	259,754					$	—					$	—					$	259,754
Commercial paper						10,479						—						—						10,479
U.S. treasury debt securities						54,809						2						(206)						54,605
Corporate debt securities						161,792						3						(334)						161,461
Foreign government debt securities						5,014						1						—						5,015
						$	491,848					$	6					$	(540)					$	491,314
Included in cash and cash equivalents						$	261,254					$	—					$	—					$	261,254
Included in marketable securities						$	230,594					$	6					$	(540)					$	230,060

At December 31, 2020, cash equivalents and marketable securities consisted of the following (in thousands):

						Amortized Cost						Unrealized Gains						Unrealized Losses						Aggregate Fair Value
Money market funds						$	265,578					$	—					$	—					$	265,578
Commercial paper						21,489						—						—						21,489
U.S. treasury debt securities						51,731						80						(2)						51,809
Corporate debt securities						147,715						214						(47)						147,882
Foreign government debt securities						1,025						2						—						1,027
						$	487,538					$	296					$	(49)					$	487,785
Included in cash and cash equivalents						$	280,578					$	—					$	—					$	280,578
Included in marketable securities						$	206,960					$	296					$	(49)					$	207,207

Schedule of Cash and Cash Equivalents

At December 31, 2021, cash equivalents and marketable securities consisted of the following (in thousands):

						Amortized Cost						Unrealized Gains						Unrealized Losses						Aggregate Fair Value
Money market funds						$	259,754					$	—					$	—					$	259,754
Commercial paper						10,479						—						—						10,479
U.S. treasury debt securities						54,809						2						(206)						54,605
Corporate debt securities						161,792						3						(334)						161,461
Foreign government debt securities						5,014						1						—						5,015
						$	491,848					$	6					$	(540)					$	491,314
Included in cash and cash equivalents						$	261,254					$	—					$	—					$	261,254
Included in marketable securities						$	230,594					$	6					$	(540)					$	230,060

At December 31, 2020, cash equivalents and marketable securities consisted of the following (in thousands):

						Amortized Cost						Unrealized Gains						Unrealized Losses						Aggregate Fair Value
Money market funds						$	265,578					$	—					$	—					$	265,578
Commercial paper						21,489						—						—						21,489
U.S. treasury debt securities						51,731						80						(2)						51,809
Corporate debt securities						147,715						214						(47)						147,882
Foreign government debt securities						1,025						2						—						1,027
						$	487,538					$	296					$	(49)					$	487,785
Included in cash and cash equivalents						$	280,578					$	—					$	—					$	280,578
Included in marketable securities						$	206,960					$	296					$	(49)					$	207,207

Investments Classified by Contractual Maturity Date

The contractual maturities of the investments classified as marketable securities are as follows (in thousands):

			As of December 31, 2021
Due within one year			$	138,637
Due in one to two years			91,423
Due in three to five years			—
			$	230,060

Schedule of Available-for-sale Securities, Continuous Unrealized Loss Position

The following table presents gross unrealized losses and fair values for those cash equivalents and marketable securities that were in an unrealized loss position as of December 31, 2021, aggregated by investment category and the length of time that individual securities have been in a continuous loss position (in thousands):

						As of December 31, 2021
						Less than 12 months												12 months or greater
						Fair Value						Unrealized Loss						Fair Value						Unrealized Loss
U.S. treasury debt securities						$	46,553					$	(206)					$	—					$	—
Corporate debt securities						156,588						(334)						—						—
Total						$	203,141					$	(540)					$	—					$	—

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Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Publisher FASB
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-Name Accounting Standards Codification
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