XML 16 R1.htm IDEA: XBRL DOCUMENT v3.19.2
Document and Entity Information - USD ($)
shares in Millions, $ in Millions
 12 Months Ended
Mar. 31, 2019
Sep. 30, 2019
Jun. 21, 2019
Document And Entity Information [Abstract]      
Entity Registrant Name NICHOLAS FINANCIAL INC    
Entity Central Index Key 0001000045    
Trading Symbol NICK    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Current Fiscal Year End Date --03-31    
Entity Filer Category Non-accelerated Filer    
Entity Well-known Seasoned Issuer No    
Entity Common Stock Shares Outstanding     12.6
Entity Public Float   $ 66.7  
Document Type 10-K    
Document Period End Date Mar. 31, 2019    
Amendment Flag false    
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus FY    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Address, State or Province British Columbia    
Entity Address, Country Canada