Regulatory Matters (Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
The Bancorp, Inc. [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total capital (to risk-weighted assets): Actual Amount	$ 486,372	$ 424,682
Total capital (to risk-weighted assets): For capital adequacy purposes	$ 200,074	$ 161,238
Total capital (to risk-weighted assets): Actual Ratio (in hundredths)	19.45%	21.07%
Tier 1 capital (to risk-weighted assets): Actual Amount	$ 476,134	$ 416,029
Tier 1 capital (to risk-weighted assets): For capital adequacy purposes	$ 150,055	$ 120,928
Tier 1 capital (to risk-weighted assets): Actual Ratio (in hundredths)	19.04%	20.64%
Tier 1 capital (to average assets): Actual Amount	$ 476,134	$ 416,029
Tier 1 capital (to average assets): For capital adequacy purposes	$ 197,837	$ 168,160
Tier 1 capital (to average assets): Actual Ratio (in hundredths)	9.63%	10.11%
The Bancorp Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total capital (to risk-weighted assets): Actual Amount	$ 478,033	$ 416,077
Total capital (to risk-weighted assets): For capital adequacy purposes	200,068	161,506
Total capital (to risk-weighted assets): To be well capitalized under prompt corrective action provisions	$ 250,085	$ 201,882
Total capital (to risk-weighted assets): Actual Ratio (in hundredths)	19.11%	20.61%
Total capital (to risk-weighted assets): For capital adequacy purposes (in hundredths)	8.00%	8.00%
Tier 1 capital (to risk-weighted assets): Actual Amount	$ 467,796	$ 407,425
Tier 1 capital (to risk-weighted assets): For capital adequacy purposes	150,051	121,129
Tier 1 capital (to risk-weighted assets): To be well capitalized under prompt corrective action provisions	$ 200,068	$ 161,506
Tier 1 capital (to risk-weighted assets): Actual Ratio (in hundredths)	18.71%	20.18%
Tier 1 capital (to risk-weighted assets): For capital adequacy purposes (in hundredths)	6.00%	6.00%
Tier 1 capital (to average assets): Actual Amount	$ 467,796	$ 407,425
Tier 1 capital (to average assets): For capital adequacy purposes	197,831	171,019
Tier 1 capital (to average assets): To be well capitalized under prompt corrective action provisions	$ 247,289	$ 213,774
Tier 1 capital (to average assets): Actual Ratio (in hundredths)	9.46%	9.70%
Tier 1 capital (to average assets): For capital adequacy purposes (in hundredths)	4.00%	4.00%
Common Equity [Member] | The Bancorp, Inc. [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier 1 capital (to risk-weighted assets): Actual Amount	$ 476,134	$ 416,029
Tier 1 capital (to risk-weighted assets): For capital adequacy purposes	$ 100,037	$ 80,619
Tier 1 capital (to risk-weighted assets): Actual Ratio (in hundredths)	19.04%	20.64%
Tier 1 capital (to risk-weighted assets): For capital adequacy purposes (in hundredths)	4.00%	4.00%
Common Equity [Member] | The Bancorp Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier 1 capital (to risk-weighted assets): Actual Amount	$ 467,796	$ 407,425
Tier 1 capital (to risk-weighted assets): For capital adequacy purposes	112,538	90,847
Tier 1 capital (to risk-weighted assets): To be well capitalized under prompt corrective action provisions	$ 162,555	$ 131,223
Tier 1 capital (to risk-weighted assets): Actual Ratio (in hundredths)	18.71%	20.18%
Tier 1 capital (to risk-weighted assets): For capital adequacy purposes (in hundredths)	4.50%	4.50%
Tier 1 capital (to risk-weighted assets): To be well capitalized under prompt corrective action provisions (in hundredths)	6.50%	6.50%
Minimum [Member] | The Bancorp, Inc. [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total capital (to risk-weighted assets): For capital adequacy purposes (in hundredths)	8.00%	8.00%
Tier 1 capital (to risk-weighted assets): For capital adequacy purposes (in hundredths)	6.00%	6.00%
Tier 1 capital (to average assets): For capital adequacy purposes (in hundredths)	4.00%	4.00%
Minimum [Member] | The Bancorp Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total capital (to risk-weighted assets): To be well capitalized under prompt corrective action provisions (in hundredths)	10.00%	10.00%
Tier 1 capital (to risk-weighted assets): To be well capitalized under prompt corrective action provisions (in hundredths)	8.00%	8.00%
Tier 1 capital (to average assets): To be well capitalized under prompt corrective action provisions (in hundredths)	5.00%	5.00%