Goodwill and Intangible Assets - Narrative (Details) - USD ($)	1 Months Ended	3 Months Ended	12 Months Ended
	Apr. 30, 2019	Jun. 30, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Apr. 01, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Business acquisition, recognized goodwill						$ 2,600,000
Accumulated goodwill impairment losses			$ 0
Business acquisition, recognized intangible assets						11,200,000
Foreign currency translation gains (losses)			1,300,000	$ (300,000)
Amortization of intangible assets		$ 600,000	4,400,000	$ 3,400,000	$ 2,700,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Estimated annual amortization expense, 2021			3,800,000
Estimated annual amortization expense, 2022			3,800,000
Estimated annual amortization expense, 2023			3,700,000
Estimated annual amortization expense, 2024			3,600,000
Estimated annual amortization expense, 2025			$ 3,400,000
South Korea Distributor | Proprietary Products
Acquired Finite-Lived Intangible Assets [Line Items]
Business acquisition, recognized goodwill						2,600,000
South Korea Distributor | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Business acquisition, recognized intangible assets						$ 11,200,000
Acquired finite-lived intangible assets, weighted average useful life	10 years