| Component: (Network and Table) | |
|---|---|
| Network | 145 - Disclosure - Goodwill and Purchased Intangibles Assets - Schedule of Purchased Intangible Assets Subject to Amortization (Detail) (http://www.newrelic.com/taxonomy/role/DisclosureGoodwillAndPurchasedIntangiblesAssetsScheduleOfPurchasedIntangibleAssetsSubjectToAmortization) |
| Table | Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] |
| Reporting Entity [Axis] | 0001448056 (http://www.sec.gov/CIK) |
| Acquired Finite-Lived Intangible Assets [Line Items] | Period [Axis] | |||||||
|---|---|---|---|---|---|---|---|---|
2016-03-31 | 2015-03-31 | |||||||
| Finite-Lived Intangible Assets by Major Class [Axis] | Finite-Lived Intangible Assets by Major Class [Axis] | |||||||
| Developed Technology Rights [Member] | Customer Relationships [Member] | Other Intangible Assets [Member] | Finite-Lived Intangible Assets, Major Class Name [Domain] | Developed Technology Rights [Member] | Customer Relationships [Member] | Other Intangible Assets [Member] | Finite-Lived Intangible Assets, Major Class Name [Domain] | |
Gross Carrying Amount | ||||||||
Accumulated Amortization | ( | ( | ( | ( | ( | ( | ( | ( |
Net Carrying Amount | 3,661,000 | 2,300,000 | ||||||