| **TAXABLE LOSS**            | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                           |
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| **Taxable Loss [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                     |
| Taxable Loss [Text Block]   | NOTE E  - TAXABLE LOSS The  Partnership's taxable loss for the calendar year ended December 31,  2013 is expected to differ from its loss for financial reporting  purposes. This is primarily due to accounting differences in  depreciation incurred by the Operating Partnerships and also  differences between the equity method of accounting and the IRS  accounting methods. |

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| - Details**Name:**bctc_TaxableLossAbstract**Namespace Prefix:**bctc_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
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| - Definition
This item represents the expected change in the Partnership's taxable loss for financial reporting purposes. This is primarily due to accounting differences in depreciation incurred by the Operating Partnerships and also differences between the equity method of accounting and IRS accounting methods.
+ References
No definition available.
+ Details**Name:**bctc_TaxableLossTextBlock**Namespace Prefix:**bctc_**Data Type:**nonnum:textBlockItemType**Balance Type:**na**Period Type:**duration |