Fair Value Measurements and Fair Value of Financial Instruments - Unrealized Gain (Loss) (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Amortized Cost Basis	$ 298,912	$ 369,956
Unrealized Gains	342	227
Unrealized Losses	(206)	(419)
Fair Value	299,048	369,764
Total cash equivalents
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Amortized Cost Basis	40,288	29,179
Unrealized Gains	0	2
Unrealized Losses	0	0
Fair Value	40,288	29,181
Total investments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Amortized Cost Basis	258,624	340,777
Unrealized Gains	342	225
Unrealized Losses	(206)	(419)
Fair Value	258,760	340,583
Money market funds | Total cash equivalents
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Amortized Cost Basis	36,097	22,646
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	36,097	22,646
U.S. Treasury securities | Total cash equivalents
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Amortized Cost Basis		4,984
Unrealized Gains		1
Unrealized Losses		0
Fair Value		4,985
U.S. Treasury securities | Total investments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Amortized Cost Basis	150,095	225,517
Unrealized Gains	121	55
Unrealized Losses	(100)	(392)
Fair Value	150,116	225,180
U.S. Non-Treasury securities | Total investments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Amortized Cost Basis		11,904
Unrealized Gains		2
Unrealized Losses		(5)
Fair Value		11,901
Commercial paper | Total cash equivalents
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Amortized Cost Basis	4,191
Unrealized Gains	0
Unrealized Losses	0
Fair Value	4,191
Commercial paper | Total investments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Amortized Cost Basis	12,227	18,166
Unrealized Gains	12	26
Unrealized Losses	0	(6)
Fair Value	12,239	18,186
Corporate debt securities | Total cash equivalents
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Amortized Cost Basis		1,549
Unrealized Gains		1
Unrealized Losses		0
Fair Value		1,550
Corporate debt securities | Total investments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Amortized Cost Basis	96,302	85,190
Unrealized Gains	209	142
Unrealized Losses	(106)	(16)
Fair Value	$ 96,405	$ 85,316