| Cover | Aug. 06, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 6, 2020 |
| Entity File Number | 001-36348 |
| Entity Registrant Name | PAYLOCITY HOLDING CORPORATION |
| Entity Central Index Key | 0001591698 |
| Entity Tax Identification Number | 46-4066644 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 1400 American Lane |
| Entity Address, City or Town | Schaumburg |
| Entity Address, State or Province | IL |
| Entity Address, Postal Zip Code | 60173 |
| City Area Code | 847 |
| Local Phone Number | 463-3200 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.001 per share |
| Trading Symbol | PCTY |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
