XML 42 R1.htm IDEA: XBRL DOCUMENT v2.4.0.6
Document And Entity Information
 3 Months Ended
Mar. 31, 2013
May 10, 2013
Entity Registrant Name First Internet Bancorp  
Entity Central Index Key 0001562463  
Current Fiscal Year End Date --12-31  
Entity Filer Category Smaller Reporting Company  
Trading Symbol inbk  
Entity Common Stock, Shares Outstanding   1,876,782
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2013  
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q1