Fair Value Measurement (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Adjusted Cost	$ 53,538	$ 152,400
Fair Value	$ 53,547	152,023
Minimum [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Maturities of investments	1 year
Maximum [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Maturities of investments	2 years
Cash [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Adjusted Cost	$ 1,452	16,949
Fair Value	1,452	16,949
Total Investment Securities [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Adjusted Cost	52,086	135,451
Unrealized Gains	27	9
Unrealized Losses	(18)	(386)
Fair Value	52,095	135,074
Mutual Funds [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Adjusted Cost	20,040	66,493
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	20,040	66,493
U.S. Agency and Treasury Securities [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Adjusted Cost	32,046	68,958
Unrealized Gains	27	9
Unrealized Losses	(18)	(386)
Fair Value	32,055	68,581
Recurring [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Cash and Cash Equivalents	26,289	86,561
Investments Available for Sale	27,258	65,462
Recurring [Member] \| Cash [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Cash and Cash Equivalents	1,452	16,949
Recurring [Member] \| Level 1 [Member] \| Total Investment Securities [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Cash and Cash Equivalents	24,837	69,612
Investments Available for Sale	27,258	65,462
Recurring [Member] \| Level 1 [Member] \| Mutual Funds [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Cash and Cash Equivalents	20,040	66,493
Investments Available for Sale	0	0
Recurring [Member] \| Level 1 [Member] \| U.S. Agency and Treasury Securities [Member]
Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value of Financial Assets [Abstract]
Cash and Cash Equivalents	4,797	3,119
Investments Available for Sale	$ 27,258	$ 65,462

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- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) 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/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

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- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) 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/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

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- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

No definition available.

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- Definition

Period of maturity of a debt security categorized as neither trading nor held-to-maturity, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading, excluding cash and cash equivalents.

+ References

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This item represents the cost of cash and debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

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- Definition

Fair value portion of cash and investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

No definition available.

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