Intangible Assets and Goodwill - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Disclosure Of Intangible Assets And Goodwill [Line Items]
Goodwill impairment	$ 13,400
Intangible assets impairment written off	3,348
Trademarks
Disclosure Of Intangible Assets And Goodwill [Line Items]
Intangible assets impairment written off	3,348
Pure Ratios RU
Disclosure Of Intangible Assets And Goodwill [Line Items]
Goodwill impairment	13,400
Pure Ratios RU | Trademarks
Disclosure Of Intangible Assets And Goodwill [Line Items]
Intangible assets impairment written off	$ 3,348