Document and Entity Information - shares shares in Millions	3 Months Ended
	Jun. 30, 2024	Aug. 19, 2024
Cover [Abstract]
Entity Registrant Name	NICHOLAS FINANCIAL, INC.
Entity Central Index Key	0001000045
Entity Current Reporting Status	Yes
Current Fiscal Year End Date	--03-31
Entity Filer Category	Non-accelerated Filer
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2024
Amendment Flag	false
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Interactive Data Current	Yes
Entity File Number	0-26680
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	59-2506879
Entity Address, Address Line One	26133 US Highway 19 North
Entity Address, Address Line Two	STE 300
Entity Address, City or Town	Clearwater
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	33763
City Area Code	727
Local Phone Number	726-0763
Title of 12(b) Security	Common Stock
Trading Symbol	NICK
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		12.7