SCHEDULE III-Consolidated Real Estate and Accumulated Depreciation (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	$ 819,983,000
Initial Cost, Land	457,017,000
Initial Cost, Building and Improvements	1,191,446,000
Cost Capitalized Subsequent to Acquisition	488,361,000
Gross Carrying Amount, Land	494,103,000
Gross Carrying Amount, Building and Improvements	1,642,721,000
Accumulated Depreciation and Amortization	(361,424,000)	(318,581,000)	(270,494,000)	(234,595,000)
The Aggregate tax basis for Federal tax purposes	1,400,000,000
Alamo Quarry Market
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	26,396,000
Initial Cost, Building and Improvements	109,294,000
Cost Capitalized Subsequent to Acquisition	13,181,000
Gross Carrying Amount, Land	26,816,000
Gross Carrying Amount, Building and Improvements	122,055,000
Accumulated Depreciation and Amortization	(41,786,000)
Year Built/ Renovated	1997/1999
Date Acquired	Dec. 09, 2003
Life on which depreciation in latest income statements is computed	35 years
Carmel Country Plaza
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	4,200,000
Initial Cost, Building and Improvements	0
Cost Capitalized Subsequent to Acquisition	11,639,000
Gross Carrying Amount, Land	4,200,000
Gross Carrying Amount, Building and Improvements	11,639,000
Accumulated Depreciation and Amortization	(6,871,000)
Year Built/ Renovated	1991
Date Acquired	Jan. 10, 1989
Life on which depreciation in latest income statements is computed	35 years
Carmel Mountain Plaza
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	22,477,000
Initial Cost, Building and Improvements	65,217,000
Cost Capitalized Subsequent to Acquisition	23,719,000
Gross Carrying Amount, Land	31,035,000
Gross Carrying Amount, Building and Improvements	80,378,000
Accumulated Depreciation and Amortization	(28,807,000)
Year Built/ Renovated	1994/2014
Date Acquired	Mar. 28, 2003
Life on which depreciation in latest income statements is computed	35 years
Del Monte Center
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	82,300,000
Initial Cost, Land	27,412,000
Initial Cost, Building and Improvements	87,570,000
Cost Capitalized Subsequent to Acquisition	22,300,000
Gross Carrying Amount, Land	27,117,000
Gross Carrying Amount, Building and Improvements	110,165,000
Accumulated Depreciation and Amortization	(45,368,000)
Year Built/ Renovated	1967/1984/2006
Date Acquired	Apr. 08, 2004
Life on which depreciation in latest income statements is computed	35 years
Geary Marketplace
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	8,239,000
Initial Cost, Building and Improvements	12,353,000
Cost Capitalized Subsequent to Acquisition	129,000
Gross Carrying Amount, Land	8,238,000
Gross Carrying Amount, Building and Improvements	12,483,000
Accumulated Depreciation and Amortization	(818,000)
Year Built/ Renovated	2012
Date Acquired	Dec. 19, 2012
Life on which depreciation in latest income statements is computed	35 years
Lomas Santa Fe Plaza
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	8,600,000
Initial Cost, Building and Improvements	11,282,000
Cost Capitalized Subsequent to Acquisition	11,269,000
Gross Carrying Amount, Land	8,620,000
Gross Carrying Amount, Building and Improvements	22,531,000
Accumulated Depreciation and Amortization	(13,225,000)
Year Built/ Renovated	1972/1997
Date Acquired	Jun. 12, 1995
Life on which depreciation in latest income statements is computed	35 years
Rancho Carmel Plaza
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	3,450,000
Initial Cost, Building and Improvements	0
Cost Capitalized Subsequent to Acquisition	3,914,000
Gross Carrying Amount, Land	3,487,000
Gross Carrying Amount, Building and Improvements	3,877,000
Accumulated Depreciation and Amortization	(2,243,000)
Year Built/ Renovated	1993
Date Acquired	Apr. 30, 1990
Life on which depreciation in latest income statements is computed	35 years
The Shops at Kalakaua
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	19,000,000
Initial Cost, Land	13,993,000
Initial Cost, Building and Improvements	10,919,000
Cost Capitalized Subsequent to Acquisition	100,000
Gross Carrying Amount, Land	14,006,000
Gross Carrying Amount, Building and Improvements	11,006,000
Accumulated Depreciation and Amortization	(3,364,000)
Year Built/ Renovated	1971/2006
Date Acquired	Mar. 31, 2005
Life on which depreciation in latest income statements is computed	35 years
Solana Beach Towne Centre
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	37,675,000
Initial Cost, Land	40,980,000
Initial Cost, Building and Improvements	38,842,000
Cost Capitalized Subsequent to Acquisition	1,854,000
Gross Carrying Amount, Land	40,980,000
Gross Carrying Amount, Building and Improvements	40,696,000
Accumulated Depreciation and Amortization	(5,419,000)
Year Built/ Renovated	1973/2000/2004
Date Acquired	Jan. 19, 2011
Life on which depreciation in latest income statements is computed	35 years
South Bay Marketplace
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	23,000,000
Initial Cost, Land	4,401,000
Initial Cost, Building and Improvements	0
Cost Capitalized Subsequent to Acquisition	10,751,000
Gross Carrying Amount, Land	4,401,000
Gross Carrying Amount, Building and Improvements	10,751,000
Accumulated Depreciation and Amortization	(6,112,000)
Year Built/ Renovated	1997
Date Acquired	Sep. 16, 1995
Life on which depreciation in latest income statements is computed	35 years
Waikele Center
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	55,593,000
Initial Cost, Building and Improvements	126,858,000
Cost Capitalized Subsequent to Acquisition	59,021,000
Gross Carrying Amount, Land	70,643,000
Gross Carrying Amount, Building and Improvements	170,829,000
Accumulated Depreciation and Amortization	(51,137,000)
Year Built/ Renovated	1993/2008
Date Acquired	Sep. 16, 2004
Life on which depreciation in latest income statements is computed	35 years
City Center Bellevue
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	111,000,000
Initial Cost, Land	25,135,000
Initial Cost, Building and Improvements	190,998,000
Cost Capitalized Subsequent to Acquisition	10,674,000
Gross Carrying Amount, Land	25,135,000
Gross Carrying Amount, Building and Improvements	201,672,000
Accumulated Depreciation and Amortization	(15,254,000)
Year Built/ Renovated	1987
Date Acquired	Aug. 21, 2012
Life on which depreciation in latest income statements is computed	40 years
First & Main
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	84,500,000
Initial Cost, Land	14,697,000
Initial Cost, Building and Improvements	109,739,000
Cost Capitalized Subsequent to Acquisition	3,095,000
Gross Carrying Amount, Land	14,697,000
Gross Carrying Amount, Building and Improvements	112,834,000
Accumulated Depreciation and Amortization	(13,796,000)
Year Built/ Renovated	2010
Date Acquired	Mar. 11, 2011
Life on which depreciation in latest income statements is computed	40 years
The Land Mark at One Market
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	133,000,000
Initial Cost, Land	34,575,000
Initial Cost, Building and Improvements	141,196,000
Cost Capitalized Subsequent to Acquisition	7,994,000
Gross Carrying Amount, Land	34,575,000
Gross Carrying Amount, Building and Improvements	149,190,000
Accumulated Depreciation and Amortization	(20,780,000)
Year Built/ Renovated	1917/2000
Date Acquired	Jun. 30, 2010
Life on which depreciation in latest income statements is computed	40 years
Lloyd District Portfolio
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	18,660,000
Initial Cost, Building and Improvements	61,401,000
Cost Capitalized Subsequent to Acquisition	151,933,000
Gross Carrying Amount, Land	18,875,000
Gross Carrying Amount, Building and Improvements	213,119,000
Accumulated Depreciation and Amortization	(9,597,000)
Year Built/ Renovated	1940-2011/present
Date Acquired	Jul. 01, 2011
Life on which depreciation in latest income statements is computed	40 years
One Beach Street
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	21,900,000
Initial Cost, Land	15,332,000
Initial Cost, Building and Improvements	18,017,000
Cost Capitalized Subsequent to Acquisition	2,367,000
Gross Carrying Amount, Land	15,332,000
Gross Carrying Amount, Building and Improvements	20,384,000
Accumulated Depreciation and Amortization	(1,971,000)
Year Built/ Renovated	1924/1972/1987/1992
Date Acquired	Jan. 24, 2012
Life on which depreciation in latest income statements is computed	40 years
Solana Beach Corporate Centre I-II
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	11,302,000
Initial Cost, Land	7,111,000
Initial Cost, Building and Improvements	17,100,000
Cost Capitalized Subsequent to Acquisition	2,795,000
Gross Carrying Amount, Land	7,111,000
Gross Carrying Amount, Building and Improvements	19,895,000
Accumulated Depreciation and Amortization	(2,480,000)
Year Built/ Renovated	1982/2005
Date Acquired	Jan. 19, 2011
Life on which depreciation in latest income statements is computed	40 years
Solana Beach Corporate Centre III-IV
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	36,376,000
Initial Cost, Land	7,298,000
Initial Cost, Building and Improvements	27,887,000
Cost Capitalized Subsequent to Acquisition	1,231,000
Gross Carrying Amount, Land	7,298,000
Gross Carrying Amount, Building and Improvements	29,118,000
Accumulated Depreciation and Amortization	(4,003,000)
Year Built/ Renovated	1982/2005
Date Acquired	Jan. 19, 2011
Life on which depreciation in latest income statements is computed	40 years
Solana Beach Corporate Centre Land
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	487,000
Initial Cost, Building and Improvements	0
Cost Capitalized Subsequent to Acquisition	60,000
Gross Carrying Amount, Land	547,000
Gross Carrying Amount, Building and Improvements	0
Accumulated Depreciation and Amortization	0
Year Built/ Renovated	N/A
Date Acquired	Jan. 19, 2011
ICW Plaza
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	4,095,000
Initial Cost, Building and Improvements	0
Cost Capitalized Subsequent to Acquisition	39,064,000
Gross Carrying Amount, Land	5,408,000
Gross Carrying Amount, Building and Improvements	37,751,000
Accumulated Depreciation and Amortization	(10,918,000)
Year Built/ Renovated	1996-1997/2014
Date Acquired	Jun. 06, 1989
Life on which depreciation in latest income statements is computed	40 years
Pacific North Court
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	21,075,000
Initial Cost, Land	3,263,000
Initial Cost, Building and Improvements	0
Cost Capitalized Subsequent to Acquisition	20,885,000
Gross Carrying Amount, Land	4,309,000
Gross Carrying Amount, Building and Improvements	19,839,000
Accumulated Depreciation and Amortization	(9,160,000)
Year Built/ Renovated	1997-1998
Date Acquired	Jun. 06, 1989
Life on which depreciation in latest income statements is computed	40 years
Pacific South Court
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	3,285,000
Initial Cost, Building and Improvements	0
Cost Capitalized Subsequent to Acquisition	22,021,000
Gross Carrying Amount, Land	4,226,000
Gross Carrying Amount, Building and Improvements	21,080,000
Accumulated Depreciation and Amortization	(10,003,000)
Year Built/ Renovated	1996-1997
Date Acquired	Jun. 06, 1989
Life on which depreciation in latest income statements is computed	40 years
Pacific VC
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	7,101,000
Initial Cost, Land	1,413,000
Initial Cost, Building and Improvements	0
Cost Capitalized Subsequent to Acquisition	8,180,000
Gross Carrying Amount, Land	2,148,000
Gross Carrying Amount, Building and Improvements	7,445,000
Accumulated Depreciation and Amortization	(4,099,000)
Year Built/ Renovated	1998/2000
Date Acquired	Jun. 06, 1989
Life on which depreciation in latest income statements is computed	40 years
Pacific Torrey Daycare
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	715,000
Initial Cost, Building and Improvements	0
Cost Capitalized Subsequent to Acquisition	1,671,000
Gross Carrying Amount, Land	911,000
Gross Carrying Amount, Building and Improvements	1,475,000
Accumulated Depreciation and Amortization	(769,000)
Year Built/ Renovated	1996-1997
Date Acquired	Jun. 06, 1989
Life on which depreciation in latest income statements is computed	40 years
Torrey Reserve Building 6
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	0
Initial Cost, Building and Improvements	0
Cost Capitalized Subsequent to Acquisition	7,907,000
Gross Carrying Amount, Land	682,000
Gross Carrying Amount, Building and Improvements	7,225,000
Accumulated Depreciation and Amortization	(297,000)
Year Built/ Renovated	2013
Date Acquired	Jun. 06, 1989
Life on which depreciation in latest income statements is computed	40 years
Torrey Reserve Land
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	229,000
Initial Cost, Building and Improvements	0
Cost Capitalized Subsequent to Acquisition	19,912,000
Gross Carrying Amount, Land	3,205,000
Gross Carrying Amount, Building and Improvements	16,936,000
Accumulated Depreciation and Amortization	0
Year Built/ Renovated	2014-present
Date Acquired	Jun. 06, 1989
Imperial Beach Gardens
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	20,000,000
Initial Cost, Land	1,281,000
Initial Cost, Building and Improvements	4,820,000
Cost Capitalized Subsequent to Acquisition	4,180,000
Gross Carrying Amount, Land	1,281,000
Gross Carrying Amount, Building and Improvements	9,000,000
Accumulated Depreciation and Amortization	(7,512,000)
Year Built/ Renovated	1959/2008-present
Date Acquired	Jul. 31, 1985
Life on which depreciation in latest income statements is computed	30 years
Loma Palisades
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	73,744,000
Initial Cost, Land	14,000,000
Initial Cost, Building and Improvements	16,570,000
Cost Capitalized Subsequent to Acquisition	18,304,000
Gross Carrying Amount, Land	14,051,000
Gross Carrying Amount, Building and Improvements	34,823,000
Accumulated Depreciation and Amortization	(24,049,000)
Year Built/ Renovated	1958/2001-2008
Date Acquired	Jul. 20, 1990
Life on which depreciation in latest income statements is computed	30 years
Mariner's Point
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	7,700,000
Initial Cost, Land	2,744,000
Initial Cost, Building and Improvements	4,540,000
Cost Capitalized Subsequent to Acquisition	1,187,000
Gross Carrying Amount, Land	2,744,000
Gross Carrying Amount, Building and Improvements	5,727,000
Accumulated Depreciation and Amortization	(2,479,000)
Year Built/ Renovated	1986
Date Acquired	May 09, 2001
Life on which depreciation in latest income statements is computed	30 years
Santa Fe Park Rv Resort
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	401,000
Initial Cost, Building and Improvements	928,000
Cost Capitalized Subsequent to Acquisition	818,000
Gross Carrying Amount, Land	401,000
Gross Carrying Amount, Building and Improvements	1,746,000
Accumulated Depreciation and Amortization	(1,391,000)
Year Built/ Renovated	1971/2007-2008
Date Acquired	Jun. 01, 1979
Life on which depreciation in latest income statements is computed	30 years
Waikiki Beach Walk - Retail
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	130,310,000
Initial Cost, Land	45,995,000
Initial Cost, Building and Improvements	74,943,000
Cost Capitalized Subsequent to Acquisition	42,000
Gross Carrying Amount, Land	45,995,000
Gross Carrying Amount, Building and Improvements	74,985,000
Accumulated Depreciation and Amortization	(9,315,000)
Year Built/ Renovated	2006
Date Acquired	Jan. 19, 2011
Life on which depreciation in latest income statements is computed	35 years
Waikiki Beach Walk Hotel
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	30,640,000
Initial Cost, Building and Improvements	60,029,000
Cost Capitalized Subsequent to Acquisition	535,000
Gross Carrying Amount, Land	30,640,000
Gross Carrying Amount, Building and Improvements	60,564,000
Accumulated Depreciation and Amortization	(7,248,000)
Year Built/ Renovated	2008/2014
Date Acquired	Jan. 19, 2011
Life on which depreciation in latest income statements is computed	35 years
Solana Beach Highway 101 Land
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	7,847,000
Initial Cost, Building and Improvements	202,000
Cost Capitalized Subsequent to Acquisition	795,000
Gross Carrying Amount, Land	8,844,000
Gross Carrying Amount, Building and Improvements	0
Accumulated Depreciation and Amortization	(189,000)
Year Built/ Renovated	N/A
Date Acquired	Sep. 20, 2011
Sorrento Valley Holdings Land
Real Estate and Accumulated Depreciation [Line Items]
Encumbrance as of December 31, 2013	0
Initial Cost, Land	2,073,000
Initial Cost, Building and Improvements	741,000
Cost Capitalized Subsequent to Acquisition	4,834,000
Gross Carrying Amount, Land	6,145,000
Gross Carrying Amount, Building and Improvements	1,503,000
Accumulated Depreciation and Amortization	$ (964,000)
Year Built/ Renovated	N/A
Date Acquired	May 09, 1997