| Component: (Network and Table) | |
|---|---|
| Network | 00000088 - Disclosure - INFORMATION ABOUT REVENUE AND GEOGRAPHIC AREAS (Long-Lived Assets) (Details) (http://yelp.com/role/yelp-iaragalad) |
| Table | Schedule of Revenues from External Customers and Long-Lived Assets [Table] |
| Reporting Entity [Axis] | 0001345016 (http://www.sec.gov/CIK) |
| Revenues from External Customers and Long-Lived Assets [Line Items] | Period [Axis] | ||||||||
|---|---|---|---|---|---|---|---|---|---|
2016-12-31 | 2015-12-31 | 2014-12-31 | |||||||
| Geographical [Axis] | Geographical [Axis] | Geographical [Axis] | |||||||
| Unites States [Member] | All Other Countries [Member] | Geographical [Domain] | Unites States [Member] | All Other Countries [Member] | Geographical [Domain] | Unites States [Member] | All Other Countries [Member] | Geographical [Domain] | |
Long-lived assets | |||||||||