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Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Dec. 29, 2022	Aug. 09, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 4.5
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 25.68	$ 7.21
Common Stock, Par or Stated Value Per Share	$ 0.0001		$ 0.0001
Aggregate fair value of restricted stock	$ 2.9
Common stock shares issued	24,139,078		17,405,231
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount	$ 11.1
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	2 years 9 months 3 days
Disc Medicine Inc [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common Stock, Par or Stated Value Per Share				$ 0.1096	$ 0.1096
Restricted Common Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock shares issued	63,061
Restricted Common Stock [Member] \| Founders And Certain Employees [Member] \| Disc Medicine Inc [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common Stock, Par or Stated Value Per Share	$ 0.0001