XML 42 R22.htm IDEA: XBRL DOCUMENT v3.22.0.1

Short-Term Investments (Tables)

12 Months Ended

Dec. 31, 2021

Investments, Debt and Equity Securities [Abstract]

Schedule of available for sale short-term investments

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

			December 31, 2021
			Amortized Cost						Gross Unrealized Loss						Total Fair Value
Short-term investments:
U.S. government securities			$	177,096					$	(560)					$	176,536
Total short-term investments			$	177,096					$	(560)					$	176,536

			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

X

- 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

+ Details

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

X

- References

No definition available.

+ Details

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