Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Narrative (Details)

Income Taxes - Narrative (Details)
6 Months Ended
Mar. 31, 2021
USD ($)
Income Tax Disclosure [Abstract]  
Unrecognized tax benefits, Increase resulting from prior period tax positions $ 605,000
Increase in income tax benefit due to difference in federal income tax rate $ 82,000