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Income Taxes - Schedule of Uncertain Tax Positions (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2017
Income Tax Disclosure [Abstract]
Beginning Balance	$ 165	$ 865	$ 240
Additions for tax positions of prior years			625
Decrease related to settlements with taxing authorities		(700)
Reduction due to lapse from closed examination	(165)
Ending Balance		$ 165	$ 865

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Amount of unrecognized tax benefits.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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