Derivative Financial Instruments (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Sep. 30, 2015
Effect of derivative financial instrument on the consolidated statements of comprehensive (loss) income
Amount of loss recognized on derivative in Other Comprehensive Income (loss)	$ (906,000)	$ 18,000	$ (935,000)	$ (47,000)
Gain or loss recognized related to hedge ineffectiveness	0	0	0	0
Gain from components excluded from assessment of cash flow hedge effectiveness	0	0	0	0
Estimated amount to be reclassified from Accumulated other comprehensive income (loss) as an increase to interest expense	(294,000)		(294,000)
Interest Expense
Effect of derivative financial instrument on the consolidated statements of comprehensive (loss) income
Amount of loss reclassified from Accumulated Other Comprehensive Income (loss) into Interest Expense	(50,000)	$ (8,000)	(65,000)	$ (25,000)
Accounts Payable And Accrued Liabilities
Fair value of derivative financial instruments
Fair value of derivative financial instrument liability	928,000		928,000		$ 58,000
Designated As Hedging Instrument | Interest Rate Swap, Maturity Date April 1, 2022
Interest Rate Derivatives
Notional Amount	$ 1,586,000		$ 1,586,000
Rate (as a percent)	5.25%		5.25%
Designated As Hedging Instrument | Interest Rate Swap, Maturity Date May 6, 2023
Interest Rate Derivatives
Notional Amount	$ 26,400,000		$ 26,400,000
Rate (as a percent)	3.61%		3.61%