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Investment in Unconsolidated Affiliate Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2013	Sep. 30, 2012
Schedule of Equity Method Investments [Line Items]
Equity in earnings of unconsolidated affiliate	$ 385	$ 484	$ 342
Equity Method Investments	4,206	4,112	$ 4,036	$ 4,000	$ 4,000
Equity Method Investment, Ownership Percentage					28.00%
Investment in JV [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investments	$ 4,206	$ 4,112
Equity Method Investment, Ownership Percentage	27.972%	27.972%

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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