| Component: (Network and Table) | |
|---|---|
| Network | OF: Schedule: Share Ownership Plans, by Plan (http://xasb.org/gaap/role/schedule/level4/ShareOwnershipPlansSchedule) |
| Table | Share Ownership Plan [Table] |
| Share Ownership Plan [Line Items] | Period [Axis] |
|---|---|
2010-01-01 - 2010-12-31 | |