v3.25.1
Cover
Apr. 23, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Apr. 23, 2025
Entity File Number 000-19028
Entity Registrant Name MUNCY COLUMBIA FINANCIAL CORPORATION
Entity Central Index Key 0000731122
Entity Tax Identification Number 23-2254643
Entity Incorporation, State or Country Code PA
Entity Address, Address Line One 232 East Street
Entity Address, City or Town Bloomsburg
Entity Address, State or Province PA
Entity Address, Postal Zip Code 17815
City Area Code 570
Local Phone Number 784-4400
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false