| Document And Entity Information | Mar. 08, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 8, 2022 |
| Entity Registrant Name | Paragon 28, Inc. |
| Entity Central Index Key | 0001531978 |
| Entity Emerging Growth Company | true |
| Entity File Number | 001-40902 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 27-3170186 |
| Entity Address, Address Line One | 14445 Grasslands Drive |
| Entity Address, City or Town | Englewood |
| Entity Address, State or Province | CO |
| Entity Address, Postal Zip Code | 80112 |
| City Area Code | (730) |
| Local Phone Number | 399-3400 |
| Entity Information, Former Legal or Registered Name | N/A |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Ex Transition Period | false |
| Title of 12(b) Security | Common Shares, $0.01 par value |
| Trading Symbol | FNA |
| Security Exchange Name | NYSE |
