XML 36 R40.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Investment In Unconsolidated Subsidiaries And Investees - Percentage in TCI (Details) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
TCI Eton Square, L.P. ("Eton Square") | 10.00% | 10.00% | 10.00%

X
- Definition The percentage of Income Opportunity Realty Investors, Inc. interest in the Other Investee (TCI Eton Square, L.P.) as of stated dates. + References No definition available. + Details
Name: | fil_TCIEtonSquareLPEtonSquare
Namespace Prefix: | fil_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration