XML 20 R17.htm IDEA: XBRL DOCUMENT

Subsequent Event	12 Months Ended
Subsequent Event	Dec. 31, 2011
SUBSEQUENT EVENT [Abstract]
Subsequent Events [Text Block]	SUBSEQUENT EVENT Leasing Activity at the US Cellular Building On January 17, 2012, Fund VIII-IX Associates entered into the sixth amendment to the lease agreement with United States Cellular Operating Company ("US Cellular") at the US Cellular Building, which extended the lease term from April 9, 2013 to December 31, 2017. Effective April 10, 2013, monthly base rent will decrease from $87,668 to $77,830 and shall be payable in advance as provided by the amendment. The base rent is scheduled to increase by 3% annually beginning on May 1, 2014. In addition to monthly base rent, US Cellular is required to reimburse Fund VIII-IX Associates for its pro rata share of all operating expenses for the US Cellular Building. US Cellular is entitled to a landlord-funded tenant allowance of approximately $374,000. In addition, US Cellular is entitled to a four-month rental abatement period from January 1, 2012 to February 29, 2012, and January 1, 2013 to February 28, 2013.