XML 12 R1.htm IDEA: XBRL DOCUMENT v3.19.1
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2019
May 01, 2019
Document and Entity Information    
Entity Registrant Name PENNS WOODS BANCORP INC  
Entity Central Index Key 0000716605  
Document Type 10-Q  
Document Period End Date Mar. 31, 2019  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Smaller Reporting Company true  
Emerging Growth Company false  
Entity Common Stock, Shares Outstanding (in shares)   4,692,305
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1