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+ References

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- Definition

Amount excluding accrued interest, 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 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

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- Definition

Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(3)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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- Definition

Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

+ References

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- References

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Fair Value Measurements - (Details) - USD ($)	6 Months Ended
Fair Value Measurements - (Details) - USD ($)	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Fair value of the Company's financial assets
Marketable Securities	$ 157,329,000		$ 207,254,000
Assets transferred into level 3	0	$ 0
Assets transferred out of level 3	0	$ 0
Corporate bonds
Fair value of the Company's financial assets
Marketable Securities	157,329,000		207,254,000
Fair Value
Fair value of the Company's financial assets
Total financial assets	176,345,000		209,934,000
Fair Value \| Money market funds (cash equivalents)
Fair value of the Company's financial assets
Money market funds (cash equivalents)	19,016,000		2,680,000
Fair Value \| Corporate bonds
Fair value of the Company's financial assets
Marketable Securities	157,329,000		207,254,000
Fair Value \| Quoted Prices in Active Markets (Level 1)
Fair value of the Company's financial assets
Total financial assets	19,016,000		2,680,000
Fair Value \| Quoted Prices in Active Markets (Level 1) \| Money market funds (cash equivalents)
Fair value of the Company's financial assets
Money market funds (cash equivalents)	19,016,000		2,680,000
Fair Value \| Significant Other Observable Inputs (Level 2)
Fair value of the Company's financial assets
Total financial assets	157,329,000		207,254,000
Fair Value \| Significant Other Observable Inputs (Level 2) \| Corporate bonds
Fair value of the Company's financial assets
Marketable Securities	$ 157,329,000		$ 207,254,000