Accounts Receivable, Net - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Provision for doubtful accounts, less than amount	$ 100
Provision for doubtful accounts	32	$ 1,885
Reserve for product returns	574	291
Credit loss expense (reversal) for accounts and notes receivable	(100)	1,400
Distribution Partner Acquired By Third Party
Accounts, Notes, Loans and Financing Receivable [Line Items]
Write-offs	700
Hardware and other revenue
Accounts, Notes, Loans and Financing Receivable [Line Items]
Reserve for product returns	$ 600	$ 300