Income Taxes - Tax credit carryforwards (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Tax Credit Carryforward
Reserves for uncertain tax positions	$ 0	$ 0
Estimated interest or penalties recognized	0	$ 0
Federal \| Research and development credit carryovers
Tax Credit Carryforward
Credit carryovers	7,800
State \| Research and development credit carryovers
Tax Credit Carryforward
Credit carryovers	$ 3,100

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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