Income Taxes - Summary of Income Tax Effect of Temporary Differences of Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Depreciation and amortization		$ 1,220
Capitalized research and development costs	$ 17,935	6,009
Net operating loss carryforwards	2,277	1,244
Accrued expenses and other current liabilities	48	97
Operating lease liabilities	6,133	441
Tax credit carryforwards	2,658	2,350
Capitalized startup costs	7,670
Stock-based compensation	301	3
Total deferred tax assets	37,022	11,364
Deferred tax liabilities
Right of use assets	(6,064)	(465)
Fixed assets	(601)
Total deferred tax liabilities	(6,665)	(465)
Total net deferred tax assets	30,357	10,899
Less: valuation allowance	$ (30,357)	(10,899)
Net deferred tax assets		$ 0