| Cover | Jan. 16, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jan. 16, 2023 |
| Entity File Number | 000-22897 |
| Entity Registrant Name | NOVATION COMPANIES, INC. |
| Entity Central Index Key | 0001025953 |
| Entity Tax Identification Number | 74-2830661 |
| Entity Incorporation, State or Country Code | MD |
| Entity Address, Address Line One | 9229 Ward Parkway, Suite 340 |
| Entity Address, City or Town | Kansas City |
| Entity Address, State or Province | MO |
| Entity Address, Postal Zip Code | 64114 |
| City Area Code | (816) |
| Local Phone Number | 237-7000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Information, Former Legal or Registered Name | Not Applicable |
