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v2.4.0.8

Income Taxes Policy (Details) (Subsequent Event) | 6 Months Ended
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Dec. 31, 2014
Subsequent Event [Line Items] |
Percent Of REIT Taxable Income To Be Distributed | 90.00%
Nondeductible Excise Tax Rate | 4.00%
Maximum |
Subsequent Event [Line Items] |
Percent Of REIT Taxable Income To Be Distributed | 100.00%

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- Definition Nondeductible Excise Tax Rate + References No definition available. + Details
Name: | cbso_NondeductibleExciseTaxRate
Namespace Prefix: | cbso_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Percent Of REIT Taxable Income To Be Distributed + References No definition available. + Details
Name: | cbso_PercentOfREITTaxableIncomeToBeDistributed
Namespace Prefix: | cbso_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration