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Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale and Equity Securities

The following tables show the Company’s available-for-sale securities’ adjusted cost, gross unrealized gains, gross unrealized losses and fair value by significant investment category as of March 31, 2022 and December 31, 2021, respectively:

						March 31, 2022
Marketable Securities:						Adjusted Cost						Unrealized Gains						Unrealized Losses						Fair Value
Mutual and money market funds						$	43,446					$	341					$	(1,011)					$	42,776
Corporate bonds						14,338						12						(438)						13,912
Government securities - U.S.						4,188						3						(203)						3,988
Other fixed-income securities						1,968						—						(36)						1,932
Total						$	63,940					$	356					$	(1,688)					$	62,608

						December 31, 2021
Marketable Securities:						Adjusted Cost						Unrealized Gains						Unrealized Losses						Fair Value
Mutual and money market funds						$	78,331					$	813					$	(1,046)					$	78,098
Corporate bonds						16,478						94						(93)						16,479
Government securities - U.S.						9,530						39						(98)						9,471
Other fixed-income securities						2,473						2						(10)						2,465
Total						$	106,812					$	948					$	(1,247)					$	106,513

Schedule of Contractual Maturity Dates

The following table summarizes the estimated fair value of the Company’s investments in marketable debt securities, accounted for as available-for-sale debt securities and classified by the contractual maturity date of the securities as of March 31, 2022:

						Maturities
Marketable Debt Securities:						Less than 1 Year						1-5 Years						5-10 Years						Greater than 10 Years						Total
Corporate bonds						$	3,878					$	9,733					$	301					$	—					$	13,912
Government securities - U.S.						—						2,214						722						1,052						3,988
Other fixed-income securities						—						1,384						548						—						1,932
Total						$	3,878					$	13,331					$	1,571					$	1,052					$	19,832

Schedule of Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value

The following table shows the gross unrealized losses and fair value of the Company’s available-for-sale debt securities at March 31, 2022. The unrealized losses in the table below are driven by factors other than credit risk. The Company does not intend to sell the investments and it is not more likely than not that it will be required to sell the investments before recovery of their amortized cost bases.

						Less than 12 months												Greater than 12 months												Total
Marketable Debt Securities:						Fair value						Unrealized Losses						Fair value						Unrealized Losses						Fair value						Unrealized Losses
Corporate bonds						$	11,041					$	360					$	1,137					$	78					$	12,178					$	438
Government securities - U.S.						1,975						73						1,892						130						3,867						203
Other fixed-income securities						1,811						36						—						—						1,811						36
Total						$	14,827					$	469					$	3,029					$	208					$	17,856					$	677

X

- Definition

Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27290-111563

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455

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- Definition

Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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