| Component: (Network and Table) | |
|---|---|
| Network | 2402406 - Disclosure - Summary of Significant Accounting Policies Property and Equipment (Details) (http://www.acaciaresearch.com/role/SummaryOfSignificantAccountingPoliciesPropertyAndEquipmentDetails) |
| Table | Schedule of Property and Equipment [Table] |
| Reporting Entity [Axis] | 0000934549 (http://www.sec.gov/CIK) |
| Period [Axis] | 2012-01-01 - 2012-12-31 |
| Property and Equipment [Line Items] | Property, Plant and Equipment, Type [Axis] | |||||
|---|---|---|---|---|---|---|
| Furniture and Fixtures [Member] | Computer Hardware and Software [Member] | Leasehold Improvements [Member] | ||||
| Range [Axis] | Range [Axis] | Range [Axis] | ||||
| Minimum [Member] | Maximum [Member] | Minimum [Member] | Maximum [Member] | Minimum [Member] | Maximum [Member] | |
Estimated useful lives, years | 3 | 5 | 3 | 5 | 2 | 5 |