INVESTMENT SECURITIES (Narrative) (Details) (USD $)	3 Months Ended				3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011 The Bancorp, Inc. [Member]	Dec. 31, 2011 The Bancorp, Inc. [Member] Supplemental Employee Retirement Plan [Member] Chief Executive Officer [Member]	Dec. 31, 2012 Equity Securities [Member] The Bancorp, Inc. [Member]	Dec. 31, 2012 CDO Securities [Member] Issuer	Sep. 30, 2012 CDO Securities [Member] Issuer	Dec. 31, 2012 CDO Securities [Member] Apidos CLO II [Member]
Equity Securities [Abstract]
Number of shares held (in shares)				18,972
CDO securities [Abstract]
Number of CDO issuers that represent the retained equity interest					5	4
Minimum investment requirement							$ 2,000,000
Trading Securities [Abstract]
Unrealized gain on trading securities	164,000
Realized gain on trading securities	307,000	17,000
Number of shares sold that were held in trust (in shares)		26,517	6,992
Stock shares held in trust, value			$ 50,000