Cash and Marketable Securities - Components of Marketable Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Short-term marketable securities
Amortized Cost	$ 211,279	$ 203,168
Unrealized Holding Losses	1,335	232
Fair Value	212,614	203,400
Long-term marketable securities
Amortized Cost	5,100	5,000
Unrealized Holding Losses	(3,828)	(2,924)
Fair Value	1,272	2,076
Amortized Cost	216,379	208,168
Unrealized Holding Losses	(2,493)	(2,692)
Fair Value	213,886	205,476
U.S. agency securities
Short-term marketable securities
Debt securities, amortized cost	92,947	79,347
Unrealized holding gain	1,222	452
Debt securities, fair value	94,169	79,799
Corporate debt securities
Short-term marketable securities
Debt securities, amortized cost	118,332	123,821
Unrealized holding gain	113
Unrealized holding loss		(220)
Debt securities, fair value	118,445	123,601
Long-term marketable securities
Debt securities, amortized cost	0
Debt securities, unrealized holding gains (losses)	0
Fair value	0
Corporate equity securities
Long-term marketable securities
Equity securities, amortized cost	5,100	5,000
Equity securities, unrealized holding gains (losses)	(3,828)	(2,924)
Corporate equity securities	$ 1,272	$ 2,076

Equity Securities, FV-NI, Accumulated Gross Unrealized Gain (Loss), Before Tax

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Long-Term Marketable Securities

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Marketable Securities, Amortized Cost

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Short-Term Marketable Securities

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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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