| Component: (Network and Table) | |
|---|---|
| Network | 2409403 - Disclosure - Commitment and Contingencies - Future Minimum Operating Lease Payments (Details) (http://www.appfolio.com/role/CommitmentAndContingenciesFutureMinimumOperatingLeasePaymentsDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001433195 (http://www.sec.gov/CIK) |
| Commitments and Contingencies Disclosure [Abstract] | Period [Axis] |
|---|---|
2016-12-31 | |
Commitments and Contingencies Disclosure [Abstract] | |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] | |
2017 | |
2018 | |
2019 | |
2020 | |
2021 | |
Thereafter | |
Total lease commitments | 8,292,000 |