XML 20 R1.htm IDEA: XBRL DOCUMENT v3.25.0.1
Cover - USD ($)
 12 Months Ended
Dec. 31, 2024
Mar. 05, 2025
Jun. 30, 2024
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-39472    
Entity Registrant Name CNB FINANCIAL CORP/PA    
Entity Incorporation, State or Country Code PA    
Entity Tax Identification Number 25-1450605    
Entity Address, Address Line One 1 South Second Street    
Entity Address, Address Line Two P.O. Box 42    
Entity Address, City or Town Clearfield    
Entity Address, State or Province PA    
Entity Address, Postal Zip Code 16830    
City Area Code 814    
Local Phone Number 765-9621    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] true    
Document Financial Statement Restatement Recovery Analysis [Flag] true    
Entity Shell Company false    
Entity Public Float     $ 405,810,805
Entity Common Stock, Shares Outstanding (in shares)   20,980,333  
Documents Incorporated by Reference
Portions of our Registration Statement on Form S-4, as amended, which is deemed to be a definitive proxy statement under Section 14a-6 of the Securities Exchange Act of 1934, filed with the SEC on March 3, 2025 are incorporated by reference into Part III of this report.
    
Amendment Flag false    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Entity Central Index Key 0000736772    
Common Stock      
Document Information [Line Items]      
Title of 12(b) Security Common Stock, no par value    
Trading Symbol CCNE    
Security Exchange Name NASDAQ    
Series A Preferred Stock      
Document Information [Line Items]      
Title of 12(b) Security Depositary Shares (each representing a 1/40th interest in a share of 7.125% Series A Non-Cumulative, perpetual preferred stock)    
Trading Symbol CCNEP    
Security Exchange Name NASDAQ