Summary of Significant Accounting Policies - Schedule of Allowance For Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for doubtful accounts—beginning balance	$ (575)	$ (51)	$ (92)
Provision for doubtful accounts	(854)	(476)	41
Amounts written off and other adjustments	184	(48)	0
Allowance for doubtful accounts—ending balance	$ (1,245)	$ (575)	$ (51)