Revenue - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Typical payment receipt, period post shipment	30 days
Training provided with sale of system, period	180 days
Contract with customer, liability	$ 11,064	$ 11,737	$ 10,825	$ 11,237
Minimum
Disaggregation of Revenue [Line Items]
Extended service contract term	1 year
Capitalized costs, expected period of benefit	2 years
Maximum
Disaggregation of Revenue [Line Items]
Extended service contract term	4 years
Capitalized costs, expected period of benefit	3 years
Sales and marketing
Disaggregation of Revenue [Line Items]
Amortization expense	$ 700	$ 500
Other Assets
Disaggregation of Revenue [Line Items]
Capitalized contract costs	$ 3,500		4,200
Service | Minimum
Disaggregation of Revenue [Line Items]
Extended service contract term	1 year
Service | Maximum
Disaggregation of Revenue [Line Items]
Extended service contract term	3 years
Loyalty
Disaggregation of Revenue [Line Items]
Contract with customer, liability	$ 300		$ 500
Skincare | Japan
Disaggregation of Revenue [Line Items]
Sale of third-party product, warranty period	90 days
Transferred over Time | Service
Disaggregation of Revenue [Line Items]
Revenue from performance obligations transferred to customers, percent	7.00%	12.00%