Debt (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) item	Jan. 31, 2016 USD ($)	Dec. 31, 2014 USD ($)
Debt [Line Items]
Overnight borrowing capacity with the federal home loan bank	$ 580,600
Maturity period	30 days
Number of statutory business trusts established | item	2
Debentures issued	$ 13,401		$ 13,401
Subsequent Event [Member]
Debt [Line Items]
Line with Federal Reserve Bank		$ 136,200
The Bancorp Capital Trust II [Member]
Debt [Line Items]
Debentures issued	$ 10,300
Debenture issuance date	Nov. 28, 2007
Debenture maturity date	Mar. 15, 2038
Basis spread on variable rate (in hundredths)	3.25%
The Bancorp Capital Trust III [Member]
Debt [Line Items]
Debentures issued	$ 3,100
Debenture issuance date	Nov. 28, 2007
Debenture maturity date	Mar. 15, 2038
Basis spread on variable rate (in hundredths)	3.25%