v3.26.1
Nature of Operations and Summary of Significant Accounting Policies - Narrative (Details)
6 Months Ended 12 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2025
USD ($)
segment
Dec. 31, 2024
USD ($)
Jul. 01, 2019
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Proceeds from issuance initial public offering $ 130,300,000      
Contribution to First Bank Richmond Community Foundation (in shares) | shares       500,000
Contribution to First Bank Richmond, Inc. Community Foundation $ 1,250,000      
Past due interest accrual period (in days)   90 days    
Minimum satisfaction performance period (in months)   6 months    
Number of loan portfolio segments | segment   8    
Impairment of long-lived assets held-for-use   $ 0 $ 0  
Stock Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
ESOP shares earned   309,000 594,000  
Restricted stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
ESOP shares earned   $ 507,000 $ 880,000