Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
9 Months Ended
Sep. 30, 2021
Nov. 29, 2021
Document and Entity Information [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Sep. 30, 2021  
Entity File Number 001-40698  
Entity Registrant Name CADRE HOLDINGS, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 38-3873146  
Entity Address State Or Province FL  
Entity Address, Address Line One 13386 International Pkwy  
Entity Address, City or Town Jacksonville,  
Entity Address, Postal Zip Code 32218  
City Area Code 904  
Local Phone Number 741-5400  
Title of 12(g) Security Common Stock, par value $0.0001 per share  
Trading Symbol CDRE  
Security Exchange Name NYSE  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   34,383,350
Entity Central Index Key 0001860543  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q3  
Amendment Flag false