CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS (Relationship with TBBK) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Related Party Transaction [Line Items]
Realized gains	$ 909
The Bancorp, Inc. [Member]
Related Party Transaction [Line Items]
Number of shares sold that were held in trust (in shares)	33,509	90,210
Proceeds from sale of loans and investments	262	790
Realized gains	22	186
Cash	41	41
The Bancorp, Inc. [Member] | LEAF Financial, Inc. [Member]
Related Party Transaction [Line Items]
Bank Fees Paid	$ 0	$ 5	$ 13