| Cover | Jun. 09, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jun. 9, 2022 |
| Entity File Number | 001-40698 |
| Entity Registrant Name | CADRE HOLDINGS, INC. |
| Entity Central Index Key | 0001860543 |
| Entity Tax Identification Number | 38-3873146 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 13386 International Pkwy |
| Entity Address, City or Town | Jacksonville |
| Entity Address, State or Province | FL |
| Entity Address, Postal Zip Code | 32218 |
| City Area Code | 904 |
| Local Phone Number | 741-5400 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $.0001 |
| Trading Symbol | CDRE |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
