v3.26.1
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2026
Aug. 11, 2026
Document and Entity Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Securities Act File Number 001-42990  
Entity Registrant Name Hoyne Bancorp, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 39-2556785  
City Area Code 708  
Local Phone Number 434-4300  
Entity Address, Address Line One 810 S. Oak Park Avenue  
Entity Address, City or Town Oak Park  
Entity Address, State or Province IL  
Entity Address, Postal Zip Code 60304  
Title of 12(b) Security Common Stock, par value $0.01 per share  
Trading Symbol HYNE  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   8,096,938
Entity Central Index Key 0002073153  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Amendment Flag false