XML 20 R9.htm IDEA: XBRL DOCUMENT v3.21.2

Short-Term Investments

9 Months Ended

Sep. 30, 2021

Investments, Debt and Equity Securities [Abstract]

Short-Term Investments

Short-Term Investments

The following table represents the Company’s available for sale short-term investments by major security type (amounts in thousands):

			September 30, 2021
			Amortized Cost						Gross Unrealized Loss						Total Fair Value
Short-term investments
U.S. government securities			$	206,948					$	(1,827)					$	205,121
Total short-term investments			$	206,948					$	(1,827)					$	205,121

			December 31, 2020
			Amortized Cost						Gross Unrealized Loss						Total Fair Value
Short-term investments
U.S. government securities			$	177,614					$	(63)					$	177,551
Total short-term investments			$	177,614					$	(63)					$	177,551

The Company’s short-term investment instruments and cash and cash equivalents are classified using Level 1 inputs within the fair value hierarchy and are valued using quoted market prices, broker or dealer quotations, or alternative pricing sources with reasonable levels of price transparency. Debt securities as of September 30, 2021 have an average maturity of 0.48 years.

X

- References

No definition available.

+ Details

Name:	us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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)

+ Details

Name:	us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration