Investments and Fair Value Measurements - Components of Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Cost Basis	$ 59,772	$ 87,354
Unrealized Gains (Losses)	(12)	(22)
Market Value	59,760	87,332
Cash and Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Market Value	21,034	39,469
Short-term Investments and Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Market Value	38,726	47,863
Level 1 \| Money market fund
Debt Securities, Available-for-sale [Line Items]
Cost Basis	21,034	39,469
Unrealized Gains (Losses)	0	0
Market Value	21,034	39,469
Level 1 \| Money market fund \| Cash and Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Market Value	21,034	39,469
Level 1 \| Money market fund \| Short-term Investments and Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Market Value	0	0
Level 1 \| U.S. Treasury bonds
Debt Securities, Available-for-sale [Line Items]
Cost Basis	17,002	9,396
Unrealized Gains (Losses)	(10)	(13)
Market Value	16,992	9,383
Level 1 \| U.S. Treasury bonds \| Cash and Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Market Value	0	0
Level 1 \| U.S. Treasury bonds \| Short-term Investments and Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Market Value	16,992	9,383
Level 2 \| Commercial paper
Debt Securities, Available-for-sale [Line Items]
Cost Basis	12,042	26,704
Unrealized Gains (Losses)	0	0
Market Value	12,042	26,704
Level 2 \| Commercial paper \| Cash and Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Market Value	0	0
Level 2 \| Commercial paper \| Short-term Investments and Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Market Value	12,042	26,704
Level 2 \| Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Cost Basis		9,353
Unrealized Gains (Losses)		(12)
Market Value		9,341
Level 2 \| Corporate bonds \| Cash and Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Market Value		0
Level 2 \| Corporate bonds \| Short-term Investments and Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Market Value		9,341
Level 2 \| Agency bonds
Debt Securities, Available-for-sale [Line Items]
Cost Basis	9,694	2,432
Unrealized Gains (Losses)	(2)	3
Market Value	9,692	2,435
Level 2 \| Agency bonds \| Cash and Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Market Value	0	0
Level 2 \| Agency bonds \| Short-term Investments and Marketable Securities
Debt Securities, Available-for-sale [Line Items]
Market Value	$ 9,692	$ 2,435

Amortized cost of 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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