Goodwill (Narrative) (Details) $ in Thousands	9 Months Ended
Jun. 30, 2020 USD ($)
Goodwill [Line Items]
Impairment charge	$ 8,640
Disposal Groups [Member]
Goodwill [Line Items]
Impairment charge	$ 8,640

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration