XML 76 R58.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Related Party Transactions Excluded Properties and Businesses (Details) | Sep. 30, 2014 office_and_property
--- | ---
Retail Site [Member] | Manhattan [Member] |
Related Party Transaction [Line Items] |
Number of properties | 4
Office Building [Member] |
Related Party Transaction [Line Items] |
Number of properties | 14
Office Building [Member] | Manhattan [Member] |
Related Party Transaction [Line Items] |
Number of properties | 9

X
- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfRealEstateProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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