v3.26.1
Document And Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Mar. 16, 2026
Jun. 30, 2025
Document And Entity Information          
Document Type 10-K        
Document Annual Report true        
Document Period End Date Dec. 31, 2025        
Document Transition Report false        
Entity File Number 0-25023        
Entity Registrant Name FIRST CAPITAL, INC.        
Entity Incorporation, State or Country Code IN        
Entity Tax Identification Number 35-2056949        
Entity Address, Address Line One 220 Federal Drive, N.W.        
Entity Address, City or Town Corydon        
Entity Address, State or Province IN        
Entity Address, Postal Zip Code 47112        
City Area Code 812        
Local Phone Number 738-2198        
Title of 12(b) Security Common Stock, par value $0.01 per share        
Trading Symbol FCAP        
Security Exchange Name NASDAQ        
Entity Well-known Seasoned Issuer No        
Entity Voluntary Filers No        
Entity Current Reporting Status Yes        
Entity Interactive Data Current Yes        
Entity Filer Category Non-accelerated Filer        
Entity Small Business true        
Entity Emerging Growth Company false        
ICFR Auditor Attestation Flag false        
Document Financial Statement Error Correction false        
Entity Shell Company false        
Entity Public Float         $ 132.4
Entity Common Stock, Shares Outstanding (in shares)       3,345,531  
Documents Incorporated by Reference

Portions of the Proxy Statement for the 2025 Annual Meeting of Stockholders

are incorporated by reference in Part III of this Form 10-K.

        
Auditor Name Crowe LLP Crowe LLP Monroe Shine & Co., Inc.    
Auditor Firm ID 173 173 590    
Auditor Location Louisville, Kentucky Louisville, Kentucky New Albany, Indiana    
Entity Central Index Key 0001070296        
Current Fiscal Year End Date --12-31        
Document Fiscal Year Focus 2025        
Document Fiscal Period Focus FY        
Amendment Flag false