v3.26.1
PARTY-IN-INTEREST TRANSACTIONS (Details) - Pioneer Bank, National Association 401(k) Savings Plan - USD ($)
Dec. 31, 2025
Dec. 31, 2024
PARTY-IN-INTEREST TRANSACTIONS    
Investments, at fair value $ 29,963,779 $ 26,450,249
Employer common stock | Pioneer Bancorp, Inc.    
PARTY-IN-INTEREST TRANSACTIONS    
Number of shares owned 197,965 216,294
Investments, at fair value $ 2,668,568 $ 2,491,707
Price per share owned $ 13.48 $ 11.52