Schedule Of Reverse Recapitalization [Line Items]

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- Definition

Stock Converted, Reverse Recapitalization

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- Definition

Stock Issued During Period, Shares, Reverse Recapitalization

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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- Definition

Number of shares of stock issued during the period pursuant to acquisitions.

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- Definition

Number of new stock issued during the period.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Business Combination Agreement with Helix and Recapitalization - Ordinary Shares Issued (Details) - shares			10 Months Ended	12 Months Ended
	Apr. 05, 2022	Apr. 04, 2022	Dec. 31, 2021	Dec. 31, 2022
Schedule Of Reverse Recapitalization [Line Items]
Shares outstanding (in shares)	52,701,111
Less redemptions of class A ordinary shares of the class A ordinary shares issued by Helix prior to the closing date (in shares)			(1,942,837)
Plus issuance of helix class A ordinary shares to BVF shareholders (in shares)				18,424,355
Total MoonLake class A ordinary Shares outstanding at closing (in shares)			3,330,231
Class A Ordinary Shares
Schedule Of Reverse Recapitalization [Line Items]
Shares outstanding (in shares)				38,977,600
Plus issuance of Helix Class A Ordinary Shares to PIPE Investors (in shares)	11,700,000
Plus issuance of helix class A ordinary shares to BVF shareholders (in shares)	18,501,284
Total MoonLake class A ordinary Shares outstanding at closing (in shares)	36,925,639
Class C Ordinary Shares
Schedule Of Reverse Recapitalization [Line Items]
Shares outstanding (in shares)				13,723,511
Plus issuance of Helix Class A Ordinary Shares to PIPE Investors (in shares)	15,775,472
Issuance of Helix Class C ordinary shares to ML parties (other than the BVF shareholders) (in shares)	15,775,472
Helix Acquisition Corp.
Schedule Of Reverse Recapitalization [Line Items]
Shares outstanding (in shares)		14,805,000
Helix Acquisition Corp. \| Class A Ordinary Shares
Schedule Of Reverse Recapitalization [Line Items]
Less redemptions of class A ordinary shares of the class A ordinary shares issued by Helix prior to the closing date (in shares)		(8,080,645)
Helix Acquisition Corp. \| Common class A, private placement
Schedule Of Reverse Recapitalization [Line Items]
Shares outstanding (in shares)		430,000
Helix Acquisition Corp. \| Common class A, redeemable
Schedule Of Reverse Recapitalization [Line Items]
Shares outstanding (in shares)		11,500,000
Helix Acquisition Corp. \| Class B Ordinary Shares
Schedule Of Reverse Recapitalization [Line Items]
Shares outstanding (in shares)		2,875,000