| Document and Entity Information | Mar. 02, 2021 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001725579 |
| Document Type | 8-K |
| Document Period End Date | Mar. 2, 2021 |
| Entity Registrant Name | PLURALSIGHT, INC. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-38498 |
| Entity Tax Identification Number | 82-3605465 |
| Entity Address, Address Line One | 42 Future Way |
| Entity Address, City or Town | Draper |
| Entity Address, State or Province | UT |
| Entity Address, Postal Zip Code | 84020 |
| City Area Code | (801) |
| Local Phone Number | 784-9007 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Class A Common Stock, $0.0001, par value per share |
| Trading Symbol | PS |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
