Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014 Property	Dec. 31, 2012	Dec. 31, 2013
Commitment And Contingencies [Line Items]
Termination payment	$ 6.6
Percentage, partner's common units	50.00%
Transfer taxes accrued in connection with the Offering	$ 6.6
Number of consolidated properties located in Southern California	12
Maximum percentage of total revenue provided by any single tenant	10.00%	10.00%
Total Revenue | Southern California
Commitment And Contingencies [Line Items]
Percentage of total revenue provided by properties	29.90%
Total Revenue | Hawaii
Commitment And Contingencies [Line Items]
Percentage of total revenue provided by properties	20.90%
Rental Income
Commitment And Contingencies [Line Items]
Percentage of total revenue provided by properties	8.70%
Number of tenants that comprise 10.7% of total annualized based rent	3
Maximum | Tenants
Commitment And Contingencies [Line Items]
Percentage of total revenue provided by properties	2.00%
The Land Mark at One Market
Commitment And Contingencies [Line Items]
Number of lease extension options	3
Years, lease extension options length	5 years
Quicksilver
Commitment And Contingencies [Line Items]
Percent annual lease amount increase	3.40%
Waikiki Beach Walk - Retail
Commitment And Contingencies [Line Items]
Property management fee, percent	3.00%
Outrigger Hotels
Commitment And Contingencies [Line Items]
Property management fee, percent	6.00%
Number of calendar months termination fee is based	2 months
Maximum percentage of hotel's fiscal year gross revenues paid for aggregate yearly management fee	3.50%
Previous months of management fees	12 months
Hotel management agreement default penalty factor of previous twelve months of management fees in first 11 years of term	8
Years in hotel management agreement term	11 years
Hotel management agreement default penalty factor of previous twelve months of management fees in twelfth year of term	4
Hotel management agreement default penalty factor of previous twelve months of management fees in thirteenth year of term	3
Hotel management agreement default penalty factor of previous twelve months of management fees in fourteenth year of term	2
Hotel management agreement default penalty factor of previous twelve months of management fees in fifteenth year of term	1
Outrigger Hotels | Future Year Period One
Commitment And Contingencies [Line Items]
Years in hotel management agreement term	15 years
Outrigger Hotels | Future Year Period Two
Commitment And Contingencies [Line Items]
Years in hotel management agreement term	14 years
Outrigger Hotels | Future Year Period Three
Commitment And Contingencies [Line Items]
Years in hotel management agreement term	13 years
Outrigger Hotels | Future Year Period Four
Commitment And Contingencies [Line Items]
Years in hotel management agreement term	12 years
Outrigger Hotels | Maximum
Commitment And Contingencies [Line Items]
Property management fee, percent	3.00%
Wbw Hotel Lessee Llc
Commitment And Contingencies [Line Items]
Years of contract	20 years
Percentage of hotel occupancy gross revenue paid for program fee	4.00%
Wbw Hotel Lessee Llc | Future Time Period Prior to 12-31-2021
Commitment And Contingencies [Line Items]
Percentage of hotel occupancy gross revenue paid for franchise royalty fee	4.00%
Wbw Hotel Lessee Llc | Future Time Period After 12-31-2021
Commitment And Contingencies [Line Items]
Percentage of hotel occupancy gross revenue paid for franchise royalty fee	5.00%
Total Revenues | Retail industry
Commitment And Contingencies [Line Items]
Percentage of total revenue provided by properties	37.00%		36.60%
Total Revenues | Office industry
Commitment And Contingencies [Line Items]
Percentage of total revenue provided by properties	35.60%		35.50%
Base Rent | salesforce.com, inc.
Commitment And Contingencies [Line Items]
Percentage of total revenue provided by properties	8.00%
Alamo Quarry Market and Waikele Center | Total Revenue
Commitment And Contingencies [Line Items]
Percentage of total revenue provided by properties	15.60%		15.80%
Del Monte Center | Ground Water Contamination | Maximum
Commitment And Contingencies [Line Items]
Environmental remediation monitoring period	9 years
Del Monte Center | Ground Water Contamination | Minimum
Commitment And Contingencies [Line Items]
Environmental remediation monitoring period	2 years