Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Significant Accounting Policies - Shipping Expense - Additional Information (Details)

v3.20.2
Basis of Presentation and Significant Accounting Policies - Shipping Expense - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Schedule Of Expense [Line Items]        
Selling, general and administrative expenses $ 4,804 $ 5,718 $ 16,134 $ 18,137
Shipping        
Schedule Of Expense [Line Items]        
Selling, general and administrative expenses $ 100 $ 200 $ 400 $ 600