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Income Taxes (Tables) | 6 Months Ended
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Mar. 31, 2018
Income Tax Disclosure [Abstract] |
Schedule of Unrecognized Tax Benefits | A reconciliation of the beginning and ending amount of unrecognized tax benefits is (in thousands):
Unrecognized tax benefits as of September 30, 2017 | $ | 1,335 |
Decreases related to: |
Expiration of statute of limitations | (116 | )
Unrecognized tax benefits as of March 31, 2018 | $ | 1,219 |

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- Definition Tabular disclosure of the change in unrecognized tax benefits, excluding amounts pertaining to examined tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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