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Income Taxes - Schedule of Deferred Tax Liabilities, Current and Non-Current (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Sep. 30, 2015
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Income Tax Disclosure [Abstract] |  |
Deferred tax liabilities, current | $ 53 | $ 151
Deferred tax liabilities, non-current | 31,004 | 25,629
Total deferred tax liabilities | $ 31,057 | $ 25,780

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