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Fair Value of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Short-term investments
Amortized Cost	$ 126,326		$ 126,326		$ 100,382
Gross Unrealized Gains	80		80		30
Gross Unrealized Losses	(2)		(2)
Fair Value	126,404		126,404		100,412
Fair Value, Assets Transfers
Fair value of assets transferred from Level 1 to Level 2	0		0		0
Fair value of assets transferred from Level 2 to Level 1	0		0		0
Fair value of asset transfer into Level 3			0		0
Fair value of asset transfer out of Level 3			0		0
Realized gains (losses) on securities	0	$ 0	0	$ 0
U.S. Treasury notes \| Cash equivalents
Short-term investments
Amortized Cost					1,995
Fair Value					1,995
U.S. Treasury notes \| Short-term investments
Short-term investments
Amortized Cost	126,326		126,326		98,387
Gross Unrealized Gains	80		80		30
Gross Unrealized Losses	(2)		(2)
Fair Value	126,404		126,404		98,417
Fair value \| Recurring basis
Assets:
Assets	174,833		174,833		143,966
Fair value \| Recurring basis \| Money market funds
Assets:
Cash equivalents	48,429		48,429		43,554
Fair value \| Recurring basis \| U.S. Treasury notes
Assets:
Cash equivalents					1,995
Short-term investments	126,404		126,404		98,417
Fair value \| Recurring basis \| Level 1
Assets:
Assets	48,429		48,429		43,554
Fair value \| Recurring basis \| Level 1 \| Money market funds
Assets:
Cash equivalents	48,429		48,429		43,554
Fair value \| Recurring basis \| Level 2
Assets:
Assets	126,404		126,404		100,412
Fair value \| Recurring basis \| Level 2 \| U.S. Treasury notes
Assets:
Cash equivalents					1,995
Short-term investments	$ 126,404		$ 126,404		$ 98,417