Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Details)

v3.21.2
Income Taxes - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Sep. 30, 2020
Income Tax Contingency [Line Items]          
Income tax expense $ 680,000 $ 90,000 $ 1,250,000 $ 297,000  
Benefit related to reversal of previously recorded uncertain tax positions     300,000    
Income tax expense from discontinued operations       $ (47,000)  
Unrecognized tax benefits that would impact effective tax rate 900,000   900,000   $ 1,200,000
Accrual for potential interest and penalties $ 600,000   $ 600,000   $ 800,000
Minimum          
Income Tax Contingency [Line Items]          
Number of years open for tax examinations     3 years    
Maximum          
Income Tax Contingency [Line Items]          
Number of years open for tax examinations     5 years