Share-Based Compensation - Narrative (Details) (USD $)	3 Months Ended			12 Months Ended			12 Months Ended	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Omnibus Plan	Jun. 30, 2013 Omnibus Plan	Dec. 06, 2012 Omnibus Plan	Dec. 05, 2012 Omnibus Plan	Jun. 30, 2013 Stock Options	Sep. 30, 2013 Restricted Stock	Sep. 30, 2012 Restricted Stock
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Common stock authorized for future issuance					1,125,000	1,000,000
Increase in the number of shares authorized for issuance, if approved			250,000
Common stock authorized for future issuance, if approved			1,375,000
Award vesting period				3 years				3 years
Estimated annual forfeiture rate							6.50%
Closing stock price	$ 15.06
Fair value of options vested	$ 0
Unrecognized compensation cost	1,200,000	1,100,000
Allocated Share-based Compensation Expense	200,000	200,000						100,000	200,000
Restricted stock granted	0							0	6,830
Restricted stock, Granted, Weighted Average Grant Date Fair Value		$ 9.06						$ 0.00
Unrecognized compensation cost related to restricted stock								$ 800,000	$ 1,100,000