Revenue Recognition - Additional Information (Details) - USD ($) $ in Thousands		6 Months Ended
	Aug. 23, 2019	Jun. 30, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Receivables related to contracts with customers		$ 30,156	$ 17,492
Allowance for doubtful accounts		25	25
Contract liabilities		200	200
International Distribution Agreement
Disaggregation of Revenue [Line Items]
Deferred revenue due to contract liabilities		21,100	$ 22,700
One-time incentive payment received	$ 20,000
Deferred revenue recognized		$ 1,600