Convertible Preferred Stock - Additional Information (Details) - USD ($)	1 Months Ended	12 Months Ended
	Aug. 31, 2020	Dec. 31, 2021	Dec. 31, 2020		Dec. 31, 2019	Aug. 31, 2019	Dec. 31, 2018	Jan. 31, 2018	Jan. 08, 2018	Sep. 30, 2017
Class Of Stock [Line Items]
Convertible preferred stock aggregate amount					$ 411,275,000		$ 324,201,000
Preferred stock dividend declared					$ 0
Series A Convertible Preferred Stock
Class Of Stock [Line Items]
Convertible preferred stock, shares issued									15,000,000	270,000,000
Convertible preferred stock, purchase price									$ 1.00	$ 1.00
Convertible preferred stock aggregate amount									$ 15,000,000	$ 270,000,000
Percentage preferred stock accrued dividends		10.00%	10.00%
Series B Convertible Preferred Stock
Class Of Stock [Line Items]
Convertible preferred stock, shares issued								8,000,000
Convertible preferred stock, purchase price								$ 1.25
Convertible preferred stock aggregate amount								$ 10,000,000
Percentage preferred stock accrued dividends		10.00%	10.00%
Series C Convertible Preferred Stock
Class Of Stock [Line Items]
Convertible preferred stock, shares issued						25,510,205
Convertible preferred stock, purchase price						$ 1.96
Convertible preferred stock aggregate amount						$ 50,000,000
Percentage preferred stock accrued dividends		10.00%	10.00%
Common Stock
Class Of Stock [Line Items]
Common stock issued	42,926,630		42,926,630	[1]

[1] Common stock of Harmony Biosciences Holdings, Inc.