Summary of Total Secured Notes Payable Outstanding (Detail) (USD $) In Thousands, unless otherwise specified					12 Months Ended						12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended						12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended
	Dec. 31, 2012	Mar. 29, 2012	Dec. 31, 2011	Jun. 01, 2011	Dec. 31, 2012 160 King Street		Dec. 31, 2012 Alamo Quarry Market		Dec. 31, 2011 Alamo Quarry Market		Dec. 31, 2012 Waikele Center		Dec. 31, 2011 Waikele Center		Dec. 31, 2012 The Shops at Kalakaua		Dec. 31, 2011 The Shops at Kalakaua		Dec. 31, 2012 The Land Mark at One Market		Dec. 31, 2011 The Land Mark at One Market		Dec. 31, 2012 Del Monte Center		Dec. 31, 2011 Del Monte Center		Dec. 31, 2012 First & Main		Dec. 31, 2011 First & Main		Dec. 31, 2012 Imperial Beach Gardens		Dec. 31, 2011 Imperial Beach Gardens		Dec. 31, 2012 Mariner's Point		Dec. 31, 2011 Mariner's Point		Dec. 31, 2012 South Bay Marketplace		Dec. 31, 2011 South Bay Marketplace		Dec. 31, 2012 Waikiki Beach Walk - Retail		Dec. 31, 2011 Waikiki Beach Walk - Retail		Dec. 31, 2012 Solana Beach Corporate Centre III-IV		Dec. 31, 2011 Solana Beach Corporate Centre III-IV		Dec. 31, 2012 Loma Palisades		Dec. 31, 2011 Loma Palisades		Dec. 31, 2012 One Beach Street		Dec. 31, 2012 Torrey Reserve - North Court		Dec. 31, 2011 Torrey Reserve - North Court		Dec. 31, 2012 Torrey Reserve-VCI, VCII, VCIII		Dec. 31, 2011 Torrey Reserve-VCI, VCII, VCIII		Dec. 31, 2012 Solana Beach Corporate Centre I-II		Dec. 31, 2011 Solana Beach Corporate Centre I-II		Dec. 31, 2012 Solana Beach Towne Centre		Dec. 31, 2011 Solana Beach Towne Centre		Dec. 31, 2012 City Center Bellevue		Dec. 31, 2011 160 King Street
Debt Instrument [Line Items]
Secured notes payable, Principal Balance							$ 93,942	[1],[2]	$ 96,027	[1],[2]	$ 140,700	[3]	$ 140,700	[3]	$ 19,000	[3]	$ 19,000	[3]	$ 133,000	[1],[3]	$ 133,000	[1],[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]	$ 37,204	[4]	$ 37,330	[4]	$ 73,744	[3]	$ 73,744	[3]	$ 21,900	[3]	$ 21,659	[2]	$ 21,921	[2]	$ 7,294	[2]	$ 7,380	[2]	$ 11,637	[2]	$ 11,788	[2]	$ 38,790	[2]	$ 39,293	[2]	$ 111,000	[3]
Total	1,057,680		927,993
Unamortized fair value adjustment	(12,998)		(15,926)
Total Secured Notes Payable Balance	1,044,682		912,067
Debt of Discontinued Operations																																																																											31,412	[5]
Total Debt Outstanding	$ 1,044,682		$ 943,479
Stated Interest Rate		3.94%		3.97%			5.67%	[1],[2]			5.15%	[3]			5.45%	[3]			5.61%	[1],[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%	[2]			6.36%	[2]			5.91%	[2]			5.91%	[2]			3.98%	[3]
Stated Maturity Date					May 01, 2014	[5]	Jan. 08, 2014	[1],[2]			Nov. 01, 2014	[3]			May 01, 2015	[3]			Jul. 05, 2015	[1],[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	[2]			Jun. 01, 2020	[2]			Jun. 01, 2020	[2]			Jun. 01, 2020	[2]			Nov. 01, 2012	[3]

[1] 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.

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

[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.

[5] Principal payments based on a 20-year amortization schedule. Note payable included in liabilities of discontinued operations as of December 31, 2011.