BENEFIT PLANS (Details) (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Defined Benefit Plan Disclosure [Line Items]
Maximum period over which annual benefits are paid			Life
Components of net periodic benefit costs for the SERP: [Abstract]
Interest costs	$ 80,000	$ 92,000	$ 240,000	$ 276,000
Expected return on plan assets	(18,000)	(17,000)	(53,000)	(50,000)
Amortization of actuarial losses	83,000	74,000	248,000	222,000
Net cost	145,000	149,000	435,000	448,000
Employee Stock Ownership Plan (ESOP) [Abstract]
Plan Description			Employee Stock Ownership Plan. The Company sponsors an Employee Stock Ownership Plan ("ESOP") which is a qualified non-contributory retirement plan established to acquire shares of the Company's common stock for the benefit of its employees who are 21 years of age or older, have completed 1,000 hours of service and been employed by the Company for one year. Contributions to the ESOP were funded by the Company as set forth in the plan. In May 2012, the Company received a final determination letter from the U.S. Internal Revenue Service to terminate the plan. Accordingly, the Company distributed the available plan assets to participants in July 2012 and will liquidate the ESOP trust in the fourth quarter of fiscal 2012.
Supplemental Employee Retirement Plan [Member] | Former Chief Executive Officer [Member]
Defined Benefit Plan Disclosure [Line Items]
Annual benefit paid during his lifetime	$ 838,000		$ 838,000
Minimum period over which annual benefits are paid			10 years
Shares sold of TBBK common stock (in shares)			33,509