Marketable Securities - Additional Information (Details) - Marketable Debt Securities [Member] - USD ($) $ in Thousands		12 Months Ended
Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Marketable Securities [Line Items]
Available-for-sale securities classified as short-term maturity	one year or less
Available-for-sale securities classified as long-term maturity	two years
Other than temporary impairment losses, investments portion in other comprehensive loss net of tax available-for sale securities		$ 0	$ 0
Debt securities available for sale, realized gain or loss		$ 0

Available-for-sale securities classified as long-term maturity.

No definition available.

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- Definition

Available-for-sale securities classified as short-term maturity.

+ References

No definition available.

+ Details

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- Definition

Amount of realized gain (loss) on 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
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27357-111563

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount after tax of other than temporary impairment (OTTI) on investment in available-for-sale debt security, recognized in other comprehensive loss, attributable to parent entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

+ Details

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