SCHEDULE III-Consolidated Real Estate and Accumulated Depreciation (Details) (USD $)					12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013 Alamo Quarry Market	Dec. 31, 2013 Carmel Country Plaza	Dec. 31, 2013 Carmel Mountain Plaza	Dec. 31, 2013 Del Monte Center	Dec. 31, 2013 Geary Marketplace	Dec. 31, 2013 Lomas Santa Fe Plaza	Dec. 31, 2013 Rancho Carmel Plaza	Dec. 31, 2013 The Shops at Kalakaua	Dec. 31, 2013 Solana Beach Towne Centre	Dec. 31, 2013 South Bay Marketplace	Dec. 31, 2013 Waikele Center	Dec. 31, 2013 City Center Bellevue	Dec. 31, 2013 First & Main	Dec. 31, 2013 The Land Mark at One Market	Dec. 31, 2013 Lloyd District Portfolio	Dec. 31, 2013 One Beach Street	Dec. 31, 2013 Solana Beach Corporate Centre I-II	Dec. 31, 2013 Solana Beach Corporate Centre III-IV	Dec. 31, 2013 Solana Beach Corporate Centre Land	Dec. 31, 2013 ICW Plaza	Dec. 31, 2013 Pacific North Court	Dec. 31, 2013 Pacific South Court	Dec. 31, 2013 Pacific VC	Dec. 31, 2013 Pacific Torrey Daycare	Dec. 31, 2013 Torrey Reserve Building 6	Dec. 31, 2013 Torrey Reserve Land	Dec. 31, 2013 Imperial Beach Gardens	Dec. 31, 2013 Loma Palisades	Dec. 31, 2013 Mariner's Point	Dec. 31, 2013 Santa Fe Park Rv Resort	Dec. 31, 2013 Waikiki Beach Walk - Retail	Dec. 31, 2013 Waikiki Beach Walk Hotel	Dec. 31, 2013 Solana Beach Highway 101 Land	Dec. 31, 2013 Sorrento Valley Holdings Land
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	$ 962,259,000				$ 0	$ 0	$ 0	$ 82,300,000	$ 0	$ 0	$ 0	$ 19,000,000	$ 38,249,000	$ 23,000,000	$ 140,700,000	$ 111,000,000	$ 84,500,000	$ 133,000,000	$ 0	$ 21,900,000	$ 11,475,000	$ 36,804,000	$ 0	$ 0	$ 21,377,000	$ 0	$ 7,200,000	$ 0	$ 0	$ 0	$ 20,000,000	$ 73,744,000	$ 7,700,000	$ 0	$ 130,310,000	$ 0	$ 0	$ 0
Initial Cost, Land	457,017,000				26,396,000	4,200,000	22,477,000	27,412,000	8,239,000	8,600,000	3,450,000	13,993,000	40,980,000	4,401,000	55,593,000	25,135,000	14,697,000	34,575,000	18,660,000	15,332,000	7,111,000	7,298,000	487,000	4,095,000	3,263,000	3,285,000	1,413,000	715,000	0	229,000	1,281,000	14,000,000	2,744,000	401,000	45,995,000	30,640,000	7,847,000	2,073,000
Initial Cost, Building and Improvements	1,191,446,000				109,294,000	0	65,217,000	87,570,000	12,353,000	11,282,000	0	10,919,000	38,842,000	0	126,858,000	190,998,000	109,739,000	141,196,000	61,401,000	18,017,000	17,100,000	27,887,000	0	0	0	0	0	0	0	0	4,820,000	16,570,000	4,540,000	928,000	74,943,000	60,029,000	202,000	741,000
Cost Capitalized Subsequent to Acquisition	346,954,000				11,629,000	11,442,000	21,000,000	21,796,000	37,000	9,622,000	3,763,000	100,000	1,715,000	10,626,000	58,530,000	5,589,000	2,968,000	7,887,000	34,910,000	1,933,000	2,221,000	1,102,000	60,000	34,941,000	22,801,000	21,589,000	8,585,000	1,671,000	7,795,000	10,678,000	4,013,000	18,063,000	1,124,000	774,000	63,000	3,522,000	417,000	3,988,000
Gross Carrying Amount, Land	493,420,000				26,816,000	4,200,000	31,035,000	27,117,000	8,238,000	8,620,000	3,487,000	14,006,000	40,980,000	4,401,000	70,643,000	25,135,000	14,697,000	34,575,000	18,660,000	15,332,000	7,111,000	7,298,000	547,000	4,788,000	4,309,000	4,226,000	2,148,000	911,000	682,000	3,825,000	1,281,000	14,051,000	2,744,000	401,000	45,995,000	30,640,000	8,466,000	6,055,000
Gross Carrying Amount, Building and Improvements	1,501,997,000				120,503,000	11,442,000	77,659,000	109,661,000	12,391,000	20,884,000	3,726,000	11,006,000	40,557,000	10,626,000	170,338,000	196,587,000	112,707,000	149,083,000	96,311,000	19,950,000	19,321,000	28,989,000	0	34,248,000	21,755,000	20,648,000	7,850,000	1,475,000	7,113,000	7,082,000	8,833,000	34,582,000	5,664,000	1,702,000	75,006,000	63,551,000	0	747,000
Accumulated Depreciation and Amortization	(318,581,000)	(270,494,000)	(234,595,000)	(221,997,000)	(37,804,000)	(6,536,000)	(25,985,000)	(40,558,000)	(422,000)	(12,630,000)	(2,101,000)	(3,044,000)	(4,038,000)	(5,845,000)	(45,943,000)	(8,655,000)	(10,454,000)	(15,818,000)	(7,427,000)	(1,224,000)	(1,845,000)	(3,036,000)	0	(10,084,000)	(10,284,000)	(9,289,000)	(4,158,000)	(738,000)	(36,000)	0	(7,208,000)	(23,035,000)	(2,313,000)	(1,353,000)	(6,984,000)	(8,581,000)	(189,000)	(964,000)
Year Built/ Renovated					1997/1999	1991	1994	1967/1984/2006	2012	1972/1997	1993	1971/2006	1973/2000/2004	1997	1993/2008	1987	2010	1917/2000	1940-2011	1924/1972/1987/1992	1982/2005	1982/2005	N/A	1996-1997	1997-1998	1996-1997	1998/2000	1996-1997	2013	N/A	1959/2008-present	1958/2001-2008	1986	1971/2007-2008	2006	2008	N/A	N/A
Date Acquired					Dec. 09, 2003	Jan. 10, 1989	Mar. 28, 2003	Apr. 08, 2004	Dec. 19, 2012	Jun. 12, 1995	Apr. 30, 1990	Mar. 31, 2005	Jan. 19, 2011	Sep. 16, 1995	Sep. 16, 2004	Aug. 21, 2012	Mar. 11, 2011	Jun. 30, 2010	Jul. 01, 2011	Jan. 24, 2012	Jan. 19, 2011	Jan. 19, 2011	Jan. 19, 2011	Jun. 06, 1989	Jun. 06, 1989	Jun. 06, 1989	Jun. 06, 1989	Jun. 06, 1989	Jun. 06, 1989	Jun. 06, 1989	Jul. 31, 1985	Jul. 20, 1990	May 09, 2001	Jun. 01, 1979	Jan. 19, 2011	Jan. 19, 2011	Sep. 20, 2011	May 09, 1997
Life on which depreciation in latest income statements is computed					35 years	35 years	35 years	35 years	35 years	35 years	35 years	35 years	35 years	35 years	35 years	40 years	40 years	40 years	40 years	40 years	40 years	40 years		40 years	40 years	40 years	40 years	40 years	40 years		30 years	30 years	30 years	30 years	35 years	35 years
The Aggregate tax basis for Federal tax purposes	$ 1,400,000,000