Income Taxes - Schedule of Deferred Tax Liabilities, Current and Non-Current (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 30, 2015
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