v3.25.3
Cover
Nov. 03, 2025
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Nov. 03, 2025
Entity File Number 001-39687
Entity Registrant Name CompoSecure, Inc.
Entity Central Index Key 0001823144
Entity Tax Identification Number 85-2749902
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 309 Pierce Street
Entity Address, City or Town Somerset
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 08873
City Area Code 908
Local Phone Number 518-0500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Common Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Class A Common stock, par value $0.0001 per share
Trading Symbol CMPO
Security Exchange Name NYSE
Redeemable Warrant Seach Whole Warrant Exercisable For One Share Of Class A Common Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Redeemable warrants, each whole warrant exercisable for one share of Class A Common Stock
Trading Symbol CMPOW
Security Exchange Name NASDAQ