Summary of Total Secured Notes Payable Outstanding (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Dec. 31, 2012
Debt Instrument [Line Items]
Total	$ 1,056,736		$ 1,057,680
Unamortized fair value adjustment	(12,269)		(12,998)
Total Debt Outstanding	1,044,467		1,044,682
Alamo Quarry Market
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	93,379	[1],[2]	93,942	[1],[2]
Stated Interest Rate	5.67%	[1],[2]
Stated Maturity Date	Jan. 08, 2014	[1],[2]
Waikele Center
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	140,700	[3]	140,700	[3]
Stated Interest Rate	5.15%	[3]
Stated Maturity Date	Nov. 01, 2014	[3]
The Shops at Kalakaua
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	19,000	[3]	19,000	[3]
Stated Interest Rate	5.45%	[3]
Stated Maturity Date	May 01, 2015	[3]
The Land Mark at One Market
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	133,000	[2],[3]	133,000	[2],[3]
Stated Interest Rate	5.61%	[2],[3]
Stated Maturity Date	Jul. 05, 2015	[2],[3]
Del Monte Center
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	82,300	[3]	82,300	[3]
Stated Interest Rate	4.93%	[3]
Stated Maturity Date	Jul. 08, 2015	[3]
First & Main
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	84,500	[3]	84,500	[3]
Stated Interest Rate	3.97%	[3]
Stated Maturity Date	Jul. 01, 2016	[3]
Imperial Beach Gardens
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	20,000	[3]	20,000	[3]
Stated Interest Rate	6.16%	[3]
Stated Maturity Date	Sep. 01, 2016	[3]
Mariner's Point
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	7,700	[3]	7,700	[3]
Stated Interest Rate	6.09%	[3]
Stated Maturity Date	Sep. 01, 2016	[3]
South Bay Marketplace
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	23,000	[3]	23,000	[3]
Stated Interest Rate	5.48%	[3]
Stated Maturity Date	Feb. 10, 2017	[3]
Waikiki Beach Walk - Retail
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	130,310	[3]	130,310	[3]
Stated Interest Rate	5.39%	[3]
Stated Maturity Date	Jul. 01, 2017	[3]
Solana Beach Corporate Centre III-IV
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	37,098	[4]	37,204	[4]
Stated Interest Rate	6.39%	[4]
Stated Maturity Date	Aug. 01, 2017	[4]
Loma Palisades
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	73,744	[3]	73,744	[3]
Stated Interest Rate	6.09%	[3]
Stated Maturity Date	Jul. 01, 2018	[3]
One Beach Street
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	21,900	[3]	21,900	[3]
Stated Interest Rate	3.94%	[3]
Stated Maturity Date	Apr. 01, 2019	[3]
Torrey Reserve - North Court
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	21,591	[1]	21,659	[1]
Stated Interest Rate	7.22%	[1]
Stated Maturity Date	Jun. 01, 2019	[1]
Torrey Reserve-VCI, VCII, VCIII
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	7,269	[1]	7,294	[1]
Stated Interest Rate	6.36%	[1]
Stated Maturity Date	Jun. 01, 2020	[1]
Solana Beach Corporate Centre I-II
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	11,595	[1]	11,637	[1]
Stated Interest Rate	5.91%	[1]
Stated Maturity Date	Jun. 01, 2020	[1]
Solana Beach Towne Centre
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	38,650	[1]	38,790	[1]
Stated Interest Rate	5.91%	[1]
Stated Maturity Date	Jun. 01, 2020	[1]
City Center Bellevue
Debt Instrument [Line Items]
Secured notes payable, Principal Balance	$ 111,000	[3]	$ 111,000	[3]
Stated Interest Rate	3.98%	[3]
Stated Maturity Date	Nov. 01, 2022	[3]

[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.