Goodwill and Intangible Assets - Acquired Intangible Assets from Business Acquisition (Details) $ in Thousands	12 Months Ended
	Sep. 30, 2016 USD ($)
Acquired Finite Lived Intangible Assets [Line Items]
Initial Value	$ 4,413
Purchase Price Adjustment	422
Scenario, Previously Reported
Acquired Finite Lived Intangible Assets [Line Items]
Initial Value	$ 3,991
Trade name
Acquired Finite Lived Intangible Assets [Line Items]
Estimated Useful Life	5 years
Initial Value	$ 776
Purchase Price Adjustment	0
Trade name | Scenario, Previously Reported
Acquired Finite Lived Intangible Assets [Line Items]
Initial Value	$ 776
Technology asset
Acquired Finite Lived Intangible Assets [Line Items]
Estimated Useful Life	5 years
Initial Value	$ 1,980
Purchase Price Adjustment	317
Technology asset | Scenario, Previously Reported
Acquired Finite Lived Intangible Assets [Line Items]
Initial Value	$ 1,663
Customer relationships
Acquired Finite Lived Intangible Assets [Line Items]
Estimated Useful Life	10 years
Initial Value	$ 1,657
Purchase Price Adjustment	105
Customer relationships | Scenario, Previously Reported
Acquired Finite Lived Intangible Assets [Line Items]
Initial Value	$ 1,552