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Contingencies - Additional Information (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 30, 2019
Contingencies
Contingent liabilities	$ 0	$ 0

X

- References

No definition available.

+ Details

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X

- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349

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