total fair value classification within the fair value hierarchy for the complete portfolio of derivative transactions (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Sep. 30, 2019	Sep. 30, 2018
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Derivative Financial Instruments	$ 42	$ 32
Derivative Financial Instruments	(33)	(41)
Fair Value, Inputs, Level 1 [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Derivative Financial Instruments
Derivative Financial Instruments
Fair Value, Inputs, Level 2 [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Derivative Financial Instruments	42	32
Derivative Financial Instruments	(33)	(41)
Fair Value, Inputs, Level 3 [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Derivative Financial Instruments
Derivative Financial Instruments

Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

+ Details

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- Definition

Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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