XML 12 R1.htm IDEA: XBRL DOCUMENT v3.21.2
Document And Entity Information - shares
9 Months Ended
Sep. 30, 2021
Nov. 02, 2021
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2021  
Document Transition Report false  
Entity File Number 1-13006  
Entity Registrant Name PARK NATIONAL CORPORATION  
Entity Address, State or Province OH  
Entity Tax Identification Number 31-1179518  
Entity Address, Address Line One 50 North Third Street,  
Entity Address, Address Line Two P.O. Box 3500  
Entity Address, City or Town Newark,  
Entity Address, State or Province OH  
Entity Address, Postal Zip Code 43058-3500  
City Area Code (740)  
Local Phone Number 349-8451  
Title of 12(b) Security Common shares, without par value  
Trading Symbol PRK  
Security Exchange Name NYSEAMER  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   16,219,572
Amendment Flag false  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q3  
Entity Central Index Key 0000805676  
Current Fiscal Year End Date --12-31