DEBT Summary of Total Secured Notes Payable Outstanding (Details) (USD $) In Thousands, unless otherwise specified	9 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
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013 Alamo Quarry Market		Dec. 31, 2012 Alamo Quarry Market		Sep. 30, 2013 Waikele Center		Dec. 31, 2012 Waikele Center		Sep. 30, 2013 Shops At Kalakaua		Dec. 31, 2012 Shops At Kalakaua		Sep. 30, 2013 The Land Mark at One Market		Dec. 31, 2012 The Land Mark at One Market		Sep. 30, 2013 Del Monte Center		Dec. 31, 2012 Del Monte Center		Sep. 30, 2013 First And Main		Dec. 31, 2012 First And Main		Sep. 30, 2013 Imperial Beach Gardens		Dec. 31, 2012 Imperial Beach Gardens		Sep. 30, 2013 Mariners Point		Dec. 31, 2012 Mariners Point		Sep. 30, 2013 South Bay Marketplace		Dec. 31, 2012 South Bay Marketplace		Sep. 30, 2013 Waikiki Beach Walk - Retail		Dec. 31, 2012 Waikiki Beach Walk - Retail		Sep. 30, 2013 Solana Beach Corporate Centre Three To Four		Dec. 31, 2012 Solana Beach Corporate Centre Three To Four		Sep. 30, 2013 Loma Palisades		Dec. 31, 2012 Loma Palisades		Sep. 30, 2013 One Beach Street		Dec. 31, 2012 One Beach Street		Sep. 30, 2013 Torrey Reserve North Court		Dec. 31, 2012 Torrey Reserve North Court		Sep. 30, 2013 Torrey Reserve		Dec. 31, 2012 Torrey Reserve		Sep. 30, 2013 Solana Beach Corporate Centre One To Two		Dec. 31, 2012 Solana Beach Corporate Centre One To Two		Sep. 30, 2013 Solana Beach Towne Centre		Dec. 31, 2012 Solana Beach Towne Centre		Sep. 30, 2013 City Center Bellevue		Dec. 31, 2012 City Center Bellevue
Debt Instrument [Line Items]
Secured notes payable, Principal Balance			$ 92,289	[1],[2]	$ 93,942	[1],[2]	$ 140,700	[3]	$ 140,700	[3]	$ 19,000	[3]	$ 19,000	[3]	$ 133,000	[3],[4]	$ 133,000	[3],[4]	$ 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]	$ 36,908	[5]	$ 37,204	[5]	$ 73,744	[3]	$ 73,744	[3]	$ 21,900	[3]	$ 21,900	[3]	$ 21,450	[2]	$ 21,659	[2]	$ 7,225	[2]	$ 7,294	[2]	$ 11,516	[2]	$ 11,637	[2]	$ 38,388	[2]	$ 38,790	[2]	$ 111,000	[3]	$ 111,000	[3]
Stated Interest Rate (in percent)			5.67%	[1],[2]			5.15%	[3]			5.45%	[3]			5.61%	[3],[4]			4.93%	[3]			3.97%	[3]			6.16%	[3]			6.09%	[3]			5.48%	[3]			5.39%	[3]			6.39%	[5]			6.09%	[3]			3.94%	[3]			7.22%	[2]			6.36%	[2]			5.91%	[2]			5.91%	[2]			3.98%	[3]
Stated Maturity Date			Jan. 08, 2014	[1],[2]			Nov. 01, 2014	[3]			May 01, 2015	[3]			Jul. 05, 2015	[3],[4]			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	[5]			Jul. 01, 2018	[3]			Apr. 01, 2019	[3]			Jun. 01, 2019	[2]			Jun. 01, 2020	[2]			Jun. 01, 2020	[2]			Jun. 01, 2020	[2]			Nov. 01, 2022	[3]
Total	1,054,930	1,057,680
Unamortized fair value adjustment	(10,813)	(12,998)
Total Debt Outstanding	$ 1,044,117	$ 1,044,682
Period of amortization schedule (in years)	30 years

[1] Loan was prepaid, without penalty or premium, on October 8, 2013 (see Note 17).

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

[3] Interest only.

[4] 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.

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