COMMITMENTS AND CONTINGENCIES (Details) $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($) Extension_Option Property mo	Mar. 31, 2016
Commitment And Contingencies [Line Items]
Termination payment | $	$ 7.4
Percentage, partner's common units	50.00%
Number of consolidated properties located in Southern California | Property	11
Maximum percentage of total revenue provided by any single tenant	10.00%	10.00%
Total Revenues | Retail
Commitment And Contingencies [Line Items]
Percentage of total revenue provided by retail tenants	33.60%
Total Revenues | Office
Commitment And Contingencies [Line Items]
Percentage of total revenue provided by retail tenants	35.20%
The Land Mark at One Market
Commitment And Contingencies [Line Items]
Number of lease extension options | Extension_Option	2
Years, lease extension options length (in years)	5 years
Waikiki Beach Walk - Retail
Commitment And Contingencies [Line Items]
Property management fee, percent (in percent)	3.00%
Outrigger Hotels
Commitment And Contingencies [Line Items]
Property management fee, percent (in 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 | Maximum
Commitment And Contingencies [Line Items]
Property management fee, percent (in percent)	3.00%
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
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%
Del Monte Center | Maximum
Commitment And Contingencies [Line Items]
Years, environmental remediation length	7 years
Del Monte Center | Minimum
Commitment And Contingencies [Line Items]
Years, environmental remediation length	5 years