DEBT Summary of Total Secured Notes Payable Outstanding (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended		3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 Alamo Quarry Market [Member]		Dec. 31, 2012 Alamo Quarry Market [Member]		Jun. 30, 2013 Waikele Center [Member]		Dec. 31, 2012 Waikele Center [Member]		Jun. 30, 2013 Shops At Kalakaua [Member]		Dec. 31, 2012 Shops At Kalakaua [Member]		Jun. 30, 2013 The Land Mark at One Market		Dec. 31, 2012 The Land Mark at One Market		Jun. 30, 2013 Del Monte Center [Member]		Dec. 31, 2012 Del Monte Center [Member]		Jun. 30, 2013 First And Main [Member]		Dec. 31, 2012 First And Main [Member]		Jun. 30, 2013 Imperial Beach Gardens [Member]		Dec. 31, 2012 Imperial Beach Gardens [Member]		Jun. 30, 2013 Mariners Point [Member]		Dec. 31, 2012 Mariners Point [Member]		Jun. 30, 2013 South Bay Marketplace [Member]		Dec. 31, 2012 South Bay Marketplace [Member]		Jun. 30, 2013 Waikiki Beach Walk - Retail		Dec. 31, 2012 Waikiki Beach Walk - Retail		Jun. 30, 2013 Solana Beach Corporate Centre Three To Four [Member]		Dec. 31, 2012 Solana Beach Corporate Centre Three To Four [Member]		Jun. 30, 2013 Loma Palisades [Member]		Dec. 31, 2012 Loma Palisades [Member]		Jun. 30, 2013 One Beach Street [Member]		Dec. 31, 2012 One Beach Street [Member]		Jun. 30, 2013 Torrey Reserve North Court [Member]		Dec. 31, 2012 Torrey Reserve North Court [Member]		Jun. 30, 2013 Torrey Reserve [Member]		Dec. 31, 2012 Torrey Reserve [Member]		Jun. 30, 2013 Solana Beach Corporate Centre One To Two [Member]		Dec. 31, 2012 Solana Beach Corporate Centre One To Two [Member]		Jun. 30, 2013 Solana Beach Towne Centre [Member]		Dec. 31, 2012 Solana Beach Towne Centre [Member]		Jun. 30, 2013 City Center Bellevue [Member]		Dec. 31, 2012 City Center Bellevue [Member]
Debt Instrument [Line Items]
Secured notes payable, Principal Balance			$ 92,838	[1],[2]	$ 93,942	[1],[2]	$ 140,700	[3]	$ 140,700	[3]	$ 19,000	[3]	$ 19,000	[3]	$ 133,000	[2],[3]	$ 133,000	[2],[3]	$ 82,300	[3]	$ 82,300	[3]	$ 84,500	[3]	$ 84,500	[3]	$ 20,000	[3]	$ 20,000	[3]	$ 7,700	[3]	$ 7,700	[3]	$ 23,000	[3]	$ 23,000	[3]	$ 130,310	[3]	$ 130,310	[3]	$ 37,004	[4]	$ 37,204	[4]	$ 73,744	[3]	$ 73,744	[3]	$ 21,900	[3]	$ 21,900	[3]	$ 21,521	[1]	$ 21,659	[1]	$ 7,247	[1]	$ 7,294	[1]	$ 11,556	[1]	$ 11,637	[1]	$ 38,520	[1]	$ 38,790	[1]	$ 111,000	[3]	$ 111,000	[3]
Stated Interest Rate (in percent)			5.67%	[1],[2]			5.15%	[3]			5.45%	[3]			5.61%	[2],[3]			4.93%	[3]			3.97%	[3]			6.16%	[3]			6.09%	[3]			5.48%	[3]			5.39%	[3]			6.39%	[4]			6.09%	[3]			3.94%	[3]			7.22%	[1]			6.36%	[1]			5.91%	[1]			5.91%	[1]			3.98%	[3]
Stated Maturity Date			Jan. 08, 2014	[1],[2]			Nov. 01, 2014	[3]			May 01, 2015	[3]			Jul. 05, 2015	[2],[3]			Jul. 08, 2015	[3]			Jul. 01, 2016	[3]			Sep. 01, 2016	[3]			Sep. 01, 2016	[3]			Feb. 10, 2017	[3]			Jul. 01, 2017	[3]			Aug. 01, 2017	[4]			Jul. 01, 2018	[3]			Apr. 01, 2019	[3]			Jun. 01, 2019	[1]			Jun. 01, 2020	[1]			Jun. 01, 2020	[1]			Jun. 01, 2020	[1]			Nov. 01, 2022	[3]
Total	1,055,840	1,057,680
Unamortized fair value adjustment	(11,541)	(12,998)
Total Debt Outstanding	$ 1,044,299	$ 1,044,682
Period of amortization schedule (in years)	30 years

[1] Principal payments based on a 30-year amortization schedule.

[2] Maturity Date is the earlier of the loan maturity date under the loan agreement, or the “Anticipated Repayment Date” as specifically defined in the loan agreement, which is the date after which substantial economic penalties apply if the loan has not been paid off.

[3] Interest only.

[4] Loan was interest only through August 2012. Beginning in September 2012, principal payments are based on a 30-year amortization schedule.