Financial Instruments - Summary of Marketable Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023
Marketable Securities [Line Items]
Debt securities, Cost	$ 31,322	$ 28,980
Debt securities, Gross Unrealized Gains	7	39
Debt securities, Gross Unrealized Losses	(63)	(7)
Debt securities, Allowance for Credit Losses	0	0	$ 0
Debt securities, Estimated Fair Values	31,266	29,012
Equity securities, Cost	4,200	5,778
Equity securities, Gross Unrealized Gains	0	0
Equity securities, Gross Unrealized Losses	0	0
Equity securities, Allowance for Credit Losses	0	0
Equity securities, Estimated Fair Values	4,200	5,778
Marketable securities, Cost	35,522	34,758
Marketable securities, Gross Unrealized Gains	7	39
Marketable securities, Gross Unrealized Losses	(63)	(7)
Marketable securities, Allowance for Credit Losses	0	0
Marketable securities, Estimated Fair Values	35,466	34,790
Corporate bonds and notes
Marketable Securities [Line Items]
Debt securities, Cost	16,687	5,813
Debt securities, Gross Unrealized Gains	7	34
Debt securities, Gross Unrealized Losses	(44)	(2)
Debt securities, Allowance for Credit Losses	0	0
Debt securities, Estimated Fair Values	16,650	5,845
Treasury and agency notes and bills
Marketable Securities [Line Items]
Debt securities, Cost	3,481	10,746
Debt securities, Gross Unrealized Gains	0	0
Debt securities, Gross Unrealized Losses	(2)	(1)
Debt securities, Allowance for Credit Losses	0	0
Debt securities, Estimated Fair Values	3,479	10,745
Commercial paper
Marketable Securities [Line Items]
Debt securities, Cost	11,154	12,421
Debt securities, Gross Unrealized Gains	0	5
Debt securities, Gross Unrealized Losses	(17)	(4)
Debt securities, Allowance for Credit Losses	0	0
Debt securities, Estimated Fair Values	11,137	12,422
Money market funds
Marketable Securities [Line Items]
Equity securities, Cost	4,200	5,778
Equity securities, Gross Unrealized Gains	0	0
Equity securities, Gross Unrealized Losses	0	0
Equity securities, Allowance for Credit Losses	0	0
Equity securities, Estimated Fair Values	4,200	5,778
Cash and cash equivalents
Marketable Securities [Line Items]
Marketable securities, Estimated Fair Values	7,469	5,778
Available-for-sale debt securities
Marketable Securities [Line Items]
Marketable securities, Estimated Fair Values	$ 27,997	$ 29,012

Equity securities accumulated gross unrealized gain before tax.

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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).

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