Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 379	$ 144	$ 220	$ (859)
Income tax benefit discrete to the period			$ (1,000)	$ 1,100