Organization and Summary of Significant Accounting Policies - Additional Information 2 (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Selling Expenses
Schedule Of Organization And Presentation Of Financial Statements [Line Items]
Freight-out costs	$ 680	$ 568	$ 1,987	$ 1,789