Commitments, Contingencies and Other Items - Additional Information (Details) plaintiff in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) plaintiff patent	Dec. 31, 2019 USD ($)
Loss Contingencies [Line Items]
Estimate of possible loss	$ 19,000,000	$ 50,000,000
Number of class members elected to opt out | plaintiff	12
Number of patents allegedly Infringed, minimum | patent	1
Purchase Obligations
Total purchase commitments	$ 18,000,000
Purchase commitment, to be paid in 2021	15,000,000
Purchase commitment, to be paid in 2022	3,000,000
Unfavorable regulatory action
Loss Contingencies [Line Items]
Estimate of possible loss	$ 300,000
U.S. District Court for the District of Minnesota
Loss Contingencies [Line Items]
Number of potential class members | plaintiff	11
Minnesota Consumer Class Actions | U.S. District Court for the District of Minnesota
Loss Contingencies [Line Items]
Payments to compensate class members	$ 15,500,000
Minnesota Securities Investor Class Actions | U.S. District Court for the District of Minnesota
Loss Contingencies [Line Items]
Payments to compensate class members	$ 55,000,000