| Fact Group (Combination of Network and Hypercube) | |
| Network: | 306010 - Disclosure - Note F. Part 1. Long-term Debt Instruments (http://www.abc.com/role/LongTermDebtInstruments) |
| Hypercube: | Schedule of Long-term Debt Instruments [Table] (us-gaap:DebtInstrumentTable) |
| Slicers (applies to each fact value in each table cell) | |
| brm:ReportingEntityMeasure | 0000000001 (http://www.sec.gov/CIK) |
| us-gaap:CreationDateAxis | abc:AsReportedFebruary122011Member |
| dei:LegalEntityAxis | dei:EntityDomain |
| us-gaap:LongtermDebtTypeAxis | ||
| brm:ConceptMeasure | Long-term Debt, Type [Domain] | Loans Payable [Member] |
| Debt Instrument [Line Items] | ||
| Debt Instrument [Hierarchy] | ||
| Debt Instrument, Description | Mauris tincidunt cursus est | |
| Debt Instrument, Collateral | Mincidunt | |
| Debt Instrument, Interest Rate Terms | 10% cursus elit sem | |
| Debt Instrument, Maturity Date, Description | April elit tincidunt tincidunt | |
| Long-term Debt | 41,000,000 | 30,000,000 |