| Component: (Network and Table) | |
|---|---|
| Network | 1090 - Disclosure - Leases - Schedule of Aggregate Minimum Lease Payments under Non-cancelable Operating Leases (Detail) (http://www.acadiahealthcare.com/taxonomy/role/DisclosureLeasesScheduleOfAggregateMinimumLeasePaymentsUnderNoncancelableOperatingLeases) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001520697 (http://www.sec.gov/CIK) |
| Leases [Abstract] | Period [Axis] |
|---|---|
2016-12-31 | |
Leases [Abstract] | |
2017 | |
2018 | |
2019 | |
2020 | |
2021 | |
Thereafter | |
Total minimum rental obligations |