| Component: (Network and Table) | |
|---|---|
| Network | ND: Schedule: Long-Term Debt, by Maturity (http://xasb.org/gaap/role/schedule/level4/LongTermDebtMaturitiesSchedule) |
| Table | Long-Term Debt, Maturities [Table] |
| Long-Term Debt, Maturities [Line Items] | Period [Axis] | |
|---|---|---|
2010-12-31 | 2009-12-31 | |