Investments, Debt and Equity Securities (Details) $ in Thousands	12 Months Ended
Dec. 31, 2022 USD ($)
Debt Securities, Available-for-Sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One	$ 41,524
Available-for-sale - maturities within one year, Gross unrealized gains	1
Available-for-sale - matures within one year, Gross unrealized losses	(182)
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One	41,343
Corporate Bond Securities
Debt Securities, Available-for-Sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One	9,305
Available-for-sale - maturities within one year, Gross unrealized gains	0
Available-for-sale - matures within one year, Gross unrealized losses	(66)
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One	9,239
Municipal Bonds
Debt Securities, Available-for-Sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One	1,751
Available-for-sale - maturities within one year, Gross unrealized gains	0
Available-for-sale - matures within one year, Gross unrealized losses	(4)
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One	1,747
US Treasury Securities
Debt Securities, Available-for-Sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One	16,306
Available-for-sale - maturities within one year, Gross unrealized gains	0
Available-for-sale - matures within one year, Gross unrealized losses	(111)
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One	16,195
Commercial Paper
Debt Securities, Available-for-Sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One	11,237
Available-for-sale - maturities within one year, Gross unrealized gains	0
Available-for-sale - matures within one year, Gross unrealized losses	0
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One	11,237
Agency Securities
Debt Securities, Available-for-Sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One	2,925
Available-for-sale - maturities within one year, Gross unrealized gains	1
Available-for-sale - matures within one year, Gross unrealized losses	(1)
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One	$ 2,925

Available-for-sale - matures within one year, Gross unrealized losses

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Available-for-sale - maturities within one year, Gross unrealized gains

+ References

No definition available.

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
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Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 320
-Section 50
-Paragraph 3A
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126980459&loc=SL120269850-112803

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
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-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27198-111563

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-Publisher FASB
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