Income Taxes (Summary of Provision (Benefit) for Income Taxes) (Details) (USD $)	12 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Income Taxes [Abstract]
Federal	$ 4,996,000	$ 1,813,000	$ 1,452,000
State	214,000	150,000	20,000
Current	5,210,000	1,963,000	1,472,000
Federal	5,702,000	4,003,000	1,126,000
State	908,000	764,000	676,000
Deferred	6,610,000	4,767,000	1,802,000
Provision (benefit) for income taxes	$ 11,820,000	$ 6,730,000	$ 3,274,000

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.