| Component: (Network and Table) | |
|---|---|
| Network | FC: Statement: Changes in Equity, Preferred Stock, Shares (http://xasb.org/gaap/role/schedule/level4/StatementOfEquityPreferredSchedule) |
| Table | Statement of Changes in Equity, Preferred Stock by Class [Table] |
| Statement of Changes in Equity, Preferred Stock by Class [Line Items] | Period [Axis] | |
|---|---|---|
2010-01-01 - 2010-12-31 | 2009-01-01 - 2009-12-31 | |