Goodwill and Other Intangible Assets - Definite-lived Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 30, 2015
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	$ 31,257	$ 27,485
Accumulated Amortization	(13,412)	(9,543)
Net Book Value	17,845	17,942
Real estate finders’ fees
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	1,902	1,643
Accumulated Amortization	(796)	(733)
Net Book Value	1,106	910
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	3,581	3,680
Accumulated Amortization	(2,920)	(2,919)
Net Book Value	661	761
Favorable lease
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	909	1,001
Accumulated Amortization	(637)	(569)
Net Book Value	272	432
Internally developed software
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	23,503	20,659
Accumulated Amortization	(8,674)	(4,959)
Net Book Value	14,829	15,700
Other
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	1,362	502
Accumulated Amortization	(385)	(363)
Net Book Value	$ 977	$ 139