Quarterly report pursuant to Section 13 or 15(d)

Contracts with Customers - Components of Contract Liabilities (Details)

v3.21.2
Contracts with Customers - Components of Contract Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Sep. 30, 2020
Capitalized Contract Cost [Line Items]    
Contract liabilities $ 1,870 $ 1,224
Customer deposits    
Capitalized Contract Cost [Line Items]    
Contract liabilities $ 1,870 $ 1,224