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Income Taxes - Deferred Tax Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Deferred tax assets:
Termination fee	$ 190	$ 190	$ 286
Organization costs	16	16	23
Outside basis difference	45,819	46,614	0
Total deferred tax assets	46,025	46,820	309
Valuation allowance	(206)	(206)	(309)
Total deferred tax assets	$ 45,819	$ 46,614	$ 0

X

- Definition

Deferred Tax Asset, 754 Election Step Up in Basis

+ References

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X

- Definition

Deferred Tax Assets, Tax Deferred Expense, Organization Costs

+ References

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X

- Definition

Deferred Tax Assets, Tax Deferred Expense, Termination Fees

+ References

No definition available.

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X

- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Deferred Tax Asset
-URI http://asc.fasb.org/extlink&oid=6510090

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- Definition

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b),(c)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319

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