| Document and Entity Information | Jan. 14, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jan. 14, 2020 |
| Entity Registrant Name | NEVRO CORP |
| Entity Central Index Key | 0001444380 |
| Entity Emerging Growth Company | false |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-36715 |
| Entity Tax Identification Number | 56-2568057 |
| Entity Address, Address Line One | 1800 Bridge Parkway |
| Entity Address, City or Town | Redwood City |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94065 |
| City Area Code | (650) |
| Local Phone Number | 251-0005 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, $0.001 par value per share |
| Trading Symbol | NVRO |
| Security Exchange Name | NYSE |
