The Company (Details)
12 Months Ended
Dec. 31, 2013
Assurance One Ltd Member [Member]
 
Entity Information [Line Items]  
Entity Incorporation, State Country Name Bermuda
Entity Incorporation, Date of Incorporation Aug. 05, 2003
Marlin Business Bank [Member]
 
Entity Information [Line Items]  
Entity Incorporation, State Country Name Utah
Entity Incorporation, Date of Incorporation May 01, 2000
Marlin Business Services Corp [Member]
 
Entity Information [Line Items]  
Entity Incorporation, State Country Name Pennsylvania
Entity Incorporation, Date of Incorporation Mar. 12, 2008