v3.22.4
N-2
Jan. 26, 2023
Cover [Abstract]  
Entity Central Index Key 0000810958
Amendment Flag false
Securities Act File Number 0-16084
Document Type 8-K
Entity Registrant Name Citizens & Northern Corporation
Entity Address, Address Line One 90-92 Main Street
Entity Address, City or Town Wellsboro
Entity Address, State or Province PA
Entity Address, Postal Zip Code 16901
City Area Code 570
Local Phone Number 724-3411
Entity Emerging Growth Company false