| Cover | Sep. 03, 2024 |
| Entity Addresses [Line Items] | |
| Document Type | S-3 |
| Amendment Flag | false |
| Entity Registrant Name | Xtant Medical holdings, Inc. |
| Entity Central Index Key | 0001453593 |
| Entity Tax Identification Number | 20-5313323 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 664 Cruiser Lane |
| Entity Address, City or Town | Belgrade |
| Entity Address, State or Province | MT |
| Entity Address, Postal Zip Code | 59714 |
| City Area Code | (406) |
| Local Phone Number | 388-0480 |
| Entity Filer Category | Non-accelerated Filer |
| Entity Small Business | true |
| Entity Emerging Growth Company | false |
| Business Contact [Member] | |
| Entity Addresses [Line Items] | |
| Entity Address, Address Line One | 664 Cruiser Lane |
| Entity Address, City or Town | Belgrade |
| Entity Address, State or Province | MT |
| Entity Address, Postal Zip Code | 59714 |
| City Area Code | (406) |
| Local Phone Number | 388-0480 |
| Contact Personnel Name | Sean E. Browne |
