Cash and Cash Equivalents and Investments (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Cash and Cash Equivalents
Realized Investment Gains (Losses)	$ 0
Available-for-sale Securities, Amortized Cost Basis	18,418	$ 26,018
Available-for-sale Securities, Gross Unrealized Gain Accumulated in Investments	0	5
Available-for-sale Securities, Gross Unrealized Losses	(86)	(11)
Available-for-sale Securities, Current	18,332	26,012
Cash
Cash and Cash Equivalents
Available-for-sale Securities, Amortized Cost Basis	46,345	64,066
Available-for-sale Securities, Gross Unrealized Gain Accumulated in Investments	0	0
Available-for-sale Securities, Gross Unrealized Losses	0	1
Available-for-sale Securities, Current	46,345	64,065
US Treasury Securities
Cash and Cash Equivalents
Available-for-sale Securities, Amortized Cost Basis	74,022
Available-for-sale Securities, Gross Unrealized Gain Accumulated in Investments	0
Available-for-sale Securities, Gross Unrealized Losses	(342)
Available-for-sale Securities, Current	73,680
Short-term Investments
Cash and Cash Equivalents
Available-for-sale Securities, Amortized Cost Basis	92,440	26,018
Available-for-sale Securities, Gross Unrealized Gain Accumulated in Investments	0	5
Available-for-sale Securities, Gross Unrealized Losses	(428)	(11)
Available-for-sale Securities, Current	92,012	26,012
Cash and Cash Equivalents and Investments
Cash and Cash Equivalents
Available-for-sale Securities, Amortized Cost Basis	138,785	90,084
Available-for-sale Securities, Gross Unrealized Gain Accumulated in Investments	0	5
Available-for-sale Securities, Gross Unrealized Losses	(428)	(12)
Available-for-sale Securities, Current	$ 138,357	$ 90,077

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.

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Amount of realized gain (loss) on investment.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.3(a))
-URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

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