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Goodwill and Intangible Assets - Narrative (Details) - USD ($)		1 Months Ended	12 Months Ended
	Feb. 01, 2019	Oct. 31, 2013	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2013
Business Acquisition [Line Items]
Milestone payment for intangible assets			$ 3,000,000	$ 0
Capitalized computer software			4,415,000	0
Amortization expense			$ 3,853,000	$ 0
SCH | Evolus, Inc.
Business Acquisition [Line Items]
Goodwill acquired					$ 21,208,000
Assets acquired, indefinite-lived intangible assets (IPR&D)					$ 56,076,000
Extension period		3 years
Contingent consideration upon successful completion of certain technical and sales milestones		$ 13,500,000
Milestone payment for intangible assets	$ 2,000,000
Distribution right
Business Acquisition [Line Items]
Useful lives of intangible assets	20 years		20 years
Milestone payment			$ 1,000,000
Capitalized software
Business Acquisition [Line Items]
Useful lives of intangible assets			2 years
Amortization period			2 years

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