v3.26.1
Segment Information - Schedule of Financial Data of Reportable Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Segment Reporting Information [Line Items]      
Interest income $ 84,253 $ 76,502  
Other revenues 9,610 8,097  
Total consolidated revenues 93,863 84,599  
Interest expense 30,425 31,923  
Segment net interest income and noninterest income 63,438 52,676  
Provision for credit losses - loans 2,541 2,233  
Provision (benefit) for credit losses - off-balance sheet exposures 144 (393)  
Salaries and employee benefits 19,540 17,872  
Data processing expense 3,096 2,614  
Occupancy expenses, net 1,672 1,459  
Advertising & public relations expense 771 743  
Furniture and equipment expense 677 763  
FDIC insurance 939 1,131  
Other segment items [1] 5,072 4,676  
Income tax expense 6,725 5,181  
Net earnings 22,261 16,397  
Net earnings attributable to noncontrolling interest 0 (5)  
Net earnings attributable to Wilson Bank Holding Company 22,261 16,392  
Reconciliation of net earnings      
Net Income (Loss) 22,261 16,392  
Reconciliation of assets      
Assets 5,991,280   $ 5,878,956
Reportable segment      
Segment Reporting Information [Line Items]      
Net earnings attributable to Wilson Bank Holding Company 22,261 16,392  
Reconciliation of net earnings      
Net Income (Loss) 22,261 $ 16,392  
Reconciliation of assets      
Assets $ 5,991,280   $ 5,878,956
[1] Other segment items includes audit, legal & consulting expenses, directors' fees, fees and licenses, telephone expenses, franchise tax, and other overhead expenses.