| COVER PAGE COVER PAGE | Oct. 28, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Oct. 28, 2021 |
| Entity Registrant Name | SOLARWINDS CORP |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-38711 |
| Entity Tax Identification Number | 81-0753267 |
| Entity Address, Address Line One | 7171 Southwest Parkway |
| Entity Address, Address Line Two | Building 400 |
| Entity Address, City or Town | Austin |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 78735 |
| City Area Code | 512 |
| Local Phone Number | 682-9300 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.001 par value |
| Trading Symbol | SWI |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001739942 |
| Amendment Flag | false |
