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Investments and Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Components of Investments

The components of our investments as of March 31, 2022 are as follows (in thousands):

			As of March 31, 2022
			Fair Value Measurement																								Balance Sheet Classification
			Fair Value Level						Cost Basis						Unrealized Gains (Losses)						Market Value						Cash and Cash Equivalents						Short-term Investments and Marketable Securities						Long-term Investments
Money market fund			Level 1						$	43,555					$	—					$	43,555					$	43,555					$	—					$	—
U.S. Treasuries			Level 1						7,003						(3)						7,000						—						7,000						—
Commercial paper			Level 2						23,110						—						23,110						—						23,110						—
Corporate bonds			Level 2						26,148						(114)						26,034						—						17,850						8,184
Asset-backed securities			Level 2						5,493						(15)						5,478						—						5,478						—
Total investments									$	105,309					$	(132)					$	105,177					$	43,555					$	53,438					$	8,184

At December 31, 2021, our investments consisted of the following (in thousands):

			As of December 31, 2021
			Fair Value Measurement																								Balance Sheet Classification
			Fair Value Level						Cost Basis						Unrealized Gains (Losses)						Market Value						Cash and Cash Equivalents						Short-term Investments and Marketable Securities						Long-term Investments
Money market fund			Level 1						$	38,301					$	—					$	38,301					$	38,301					$	—					$	—
U.S. Treasury bonds			Level 1						8,171						—						8,171						—						8,171						—
Commercial paper			Level 2						23,312						—						23,312						—						23,312						—
Corporate bonds			Level 2						20,107						(14)						20,093						—						8,049						12,044
Asset-backed securities			Level 2						15,655						(8)						15,647						—						15,647						—
Total investments									$	105,546					$	(22)					$	105,524					$	38,301					$	55,179					$	12,044

Amortized Cost Basis and Fair Value of Debt Securities by Contractual Maturity

The amortized cost basis and fair value of debt securities as of March 31, 2022, by contractual maturity, are as follows (in thousands):

			As of March 31, 2022
			Cost Basis						Fair Value
Due in one year or less			$	97,104					$	96,993
Due after one year through five years			8,205						8,184
Total investments			$	105,309					$	105,177

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- Definition

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-URI http://asc.fasb.org/topic&trid=2196928

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- Definition

Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments.

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