v3.22.4
Cover
Feb. 07, 2023
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Feb. 07, 2023
Entity File Number 001-34155
Entity Registrant Name FIRST SAVINGS FINANCIAL GROUP, INC.
Entity Central Index Key 0001435508
Entity Tax Identification Number 37-1567871
Entity Incorporation, State or Country Code IN
Entity Address, Address Line One 702 North Shore Drive
Entity Address, Address Line Two Suite 300
Entity Address, City or Town Jeffersonville
Entity Address, State or Province IN
Entity Address, Postal Zip Code 47130
City Area Code 812
Local Phone Number 283-0724
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol FSFG
Security Exchange Name NASDAQ
Entity Emerging Growth Company false