Cullinan-MICA Asset Acquisition - Additional Information (Details) - shares	Dec. 31, 2022	Dec. 31, 2021
Schedule Of Asset Acquisition [Line Items]
Common stock, shares authorized	150,000,000	150,000,000
Preferred stock shares authorized	10,000,000	10,000,000
Preferred stock shares outstanding	0	0
Common stock, shares outstanding	45,796,449	44,292,102