Subsequent Events	9 Months Ended
Sep. 30, 2012
Subsequent Events [Abstract]
Subsequent Events	NOTE 16. SUBSEQUENT EVENTS On October 10, 2012, we entered into a ten-year non-recourse mortgage loan with PNC Bank, National Association with an original principal amount of $111.0 million. The loan is secured by a first-priority deed of trust on City Center Bellevue and an assignment of all leases, rents and security deposits relating to City Center Bellevue. The loan has a maturity date of November 1, 2022, bears interest at a fixed rate per annum of 3.98% and is interest only. On October 23, 2012, we entered into an agreement to sell 160 King Street located in San Francisco, California. The decision to sell 160 King Street was a result of our desire to reallocate capital within our existing and future portfolio. The sale is expected to be completed during the fourth quarter of 2012 in connection with the reverse tax deferred exchange structured for the acquisition of City Center Bellevue pursuant to the provisions of Section 1031 of the Internal Revenue Code of 1986, as amended (the “Code”), and applicable state revenue and taxation code sections.

Subsequent Events

9 Months Ended

Sep. 30, 2012

NOTE 16. SUBSEQUENT EVENTS

On October 10, 2012, we entered into a ten-year non-recourse mortgage loan with PNC Bank, National Association with an original principal amount of $111.0 million. The loan is secured by a first-priority deed of trust on City Center Bellevue and an assignment of all leases, rents and security deposits relating to City Center Bellevue. The loan has a maturity date of November 1, 2022, bears interest at a fixed rate per annum of 3.98% and is interest only.

On October 23, 2012, we entered into an agreement to sell 160 King Street located in San Francisco, California. The decision to sell 160 King Street was a result of our desire to reallocate capital within our existing and future portfolio. The sale is expected to be completed during the fourth quarter of 2012 in connection with the reverse tax deferred exchange structured for the acquisition of City Center Bellevue pursuant to the provisions of Section 1031 of the Internal Revenue Code of 1986, as amended (the “Code”), and applicable state revenue and taxation code sections.