| Component: (Network and Table) | |
|---|---|
| Network | 2407402 - Disclosure - Intangible Assets and Goodwill - Intangible Assets (Details) (http://www.appfolio.com/role/IntangibleAssetsAndGoodwillIntangibleAssetsDetails) |
| Table | Schedule of Finite-Lived Intangible Assets [Table] |
| Reporting Entity [Axis] | 0001433195 (http://www.sec.gov/CIK) |
| Finite-Lived Intangible Assets [Line Items] | Period [Axis] | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2016-01-01 - 2016-12-31 | 2015-01-01 - 2015-12-31 | |||||||||||||||||||||||||||||||
| Finite-Lived Intangible Assets by Major Class [Axis] | Finite-Lived Intangible Assets by Major Class [Axis] | |||||||||||||||||||||||||||||||
| Customer relationships | Technology | Trademarks | Partner relationships | Non-compete agreements | Domain names | Patents | Finite-Lived Intangible Assets, Major Class Name [Domain] | Customer relationships | Technology | Trademarks | Partner relationships | Non-compete agreements | Domain names | Patents | Finite-Lived Intangible Assets, Major Class Name [Domain] | |||||||||||||||||
| Range [Axis] | Range [Axis] | Range [Axis] | Range [Axis] | Range [Axis] | Range [Axis] | Range [Axis] | Range [Axis] | Range [Axis] | Range [Axis] | Range [Axis] | Range [Axis] | Range [Axis] | Range [Axis] | Range [Axis] | Range [Axis] | |||||||||||||||||
| Weighted Average | Range [Domain] | Weighted Average | Range [Domain] | Weighted Average | Range [Domain] | Weighted Average | Range [Domain] | Weighted Average | Range [Domain] | Weighted Average | Range [Domain] | Weighted Average | Range [Domain] | Weighted Average | Range [Domain] | Weighted Average | Range [Domain] | Weighted Average | Range [Domain] | Weighted Average | Range [Domain] | Weighted Average | Range [Domain] | Weighted Average | Range [Domain] | Weighted Average | Range [Domain] | Weighted Average | Range [Domain] | Weighted Average | Range [Domain] | |
Gross Carrying Value | ||||||||||||||||||||||||||||||||
Accumulated Amortization | ( | ( | ( | ( | ( | ( | ( | ( | ( | ( | ( | ( | ( | ( | ( | ( | ||||||||||||||||
Net Carrying Value | ||||||||||||||||||||||||||||||||
Weighted Average Useful Life in Years | ||||||||||||||||||||||||||||||||