Schedule III - Real Estate and Accumulated Depreciation (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013	Dec. 31, 2012
Gross Amounts at which carried at close of period
Total	$ 1,397.1		$ 1,402.1	$ 1,022.0
Accumulated depreciation	(120.5)		(116.9)	(133.8)
Aggregate tax basis of assets	632.3
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at beginning of year	1,402.1		1,022.0	998.5
Additions and improvements	57.0		758.5	63.2
Impairments	0		0	(5.1)
Dispositions, retirements and other adjustments	(62.0)		(378.4)	(34.6)
Balance at end of year	1,397.1		1,402.1	1,022.0
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at beginning of year	116.9		133.8	115.9
Depreciation expense	19.2		19.5	18.3
Disposition, retirements and other adjustments	(15.6)		(36.4)	(0.4)
Balance at end of year	120.5		116.9	133.8
Building and Improvements | Maximum
Gross Amounts at which carried at close of period
Useful lives			40 years
Building and Improvements | Minimum
Gross Amounts at which carried at close of period
Useful lives			10 years
Leasehold Improvements | Maximum
Gross Amounts at which carried at close of period
Useful lives			10 years
Leasehold Improvements | Minimum
Gross Amounts at which carried at close of period
Useful lives			5 years
Leasing Segment
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	172.7	[1]
Initial Cost
Land	548.5
Buildings and Improvements	525.4
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	96.7
Carrying costs	0
Gross Amounts at which carried at close of period
Land	548.5
Buildings and improvements	622.1
Total	1,170.6
Accumulated depreciation	(120.5)	[2]
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	1,170.6
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	120.5	[2]
Leasing Segment | Kailua Industrial/Other (HI) | Industrial | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	10.5
Buildings and Improvements	2.0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0
Carrying costs	0
Gross Amounts at which carried at close of period
Land	10.5
Buildings and improvements	2.0
Total	12.5
Accumulated depreciation	(0.1)
Year Acquired/Completed, First Date	2013
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	12.5
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0.1
Leasing Segment | Kaka'ako Commerce Center (HI) | Industrial | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	16.9
Buildings and Improvements	20.6
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0
Carrying costs	0
Gross Amounts at which carried at close of period
Land	16.9
Buildings and improvements	20.6
Total	37.5
Accumulated depreciation	0
First year of construction	1969
Year Acquired/Completed, First Date	2014
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	37.5
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Leasing Segment | Komohana Industrial Park (HI) | Industrial | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	25.2
Buildings and Improvements	10.8
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0.4
Carrying costs	0
Gross Amounts at which carried at close of period
Land	25.2
Buildings and improvements	11.2
Total	36.4
Accumulated depreciation	(1.4)
First year of construction	1990
Year Acquired/Completed, First Date	2010
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	36.4
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	1.4
Leasing Segment | P&L Warehouse (HI) | Industrial | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.1
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	1.1
Total	1.1
Accumulated depreciation	(0.6)
First year of construction	1970
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	1.1
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0.6
Leasing Segment | Port Allen (HI) | Industrial | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	0.7
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.9
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	2.6
Total	2.6
Accumulated depreciation	(1.8)
First year of construction	1985
Second year of construction	1993
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	2.6
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	1.8
Leasing Segment | Waipio Industrial (HI) | Industrial | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	19.6
Buildings and Improvements	7.7
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0.2
Carrying costs	0
Gross Amounts at which carried at close of period
Land	19.6
Buildings and improvements	7.9
Total	27.5
Accumulated depreciation	(1.3)
First year of construction	1988
Second year of construction	1989
Year Acquired/Completed, First Date	2009
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	27.5
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	1.3
Leasing Segment | Midstate Hayes (CA) | Industrial | CALIFORNIA
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	8.3
Initial Cost
Land	2.7
Buildings and Improvements	29.6
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.2
Carrying costs	0
Gross Amounts at which carried at close of period
Land	2.7
Buildings and improvements	30.8
Total	33.5
Accumulated depreciation	(5.2)
First year of construction	2002
Second year of construction	2008
Year Acquired/Completed, First Date	2008
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	33.5
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	5.2
Leasing Segment | Sparks Business Center (NV) | Industrial | NEVADA
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	3.2
Buildings and Improvements	17.2
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	3.0
Carrying costs	0
Gross Amounts at which carried at close of period
Land	3.2
Buildings and improvements	20.2
Total	23.4
Accumulated depreciation	(7.3)
First year of construction	1996
Second year of construction	1998
Year Acquired/Completed, First Date	2002
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	23.4
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	7.3
Leasing Segment | Judd Building (HI) | Office | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	1.0
Buildings and Improvements	2.1
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.1
Carrying costs	0
Gross Amounts at which carried at close of period
Land	1.0
Buildings and improvements	3.2
Total	4.2
Accumulated depreciation	(1.3)
First year of construction	1898
Second year of construction	1979
Year Acquired/Completed, First Date	2000
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	4.2
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	1.3
Leasing Segment | Kahului Office Building (HI) | Office | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	1.0
Buildings and Improvements	0.4
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	5.4
Carrying costs	0
Gross Amounts at which carried at close of period
Land	1.0
Buildings and improvements	5.8
Total	6.8
Accumulated depreciation	(6.6)
First year of construction	1974
Year Acquired/Completed, First Date	1989
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	6.8
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	6.6
Leasing Segment | Kahului Office Center (HI) | Office | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	5.6
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	5.6
Total	5.6
Accumulated depreciation	(3.3)
First year of construction	1991
Year Acquired/Completed, First Date	1991
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	5.6
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	3.3
Leasing Segment | Lono Center (HI) | Office | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	1.4
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0.9
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	2.3
Total	2.3
Accumulated depreciation	(1.3)
First year of construction	1973
Year Acquired/Completed, First Date	1991
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	2.3
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	1.3
Leasing Segment | Maui Clinic Building (HI) | Office | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0.5
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	0.5
Total	0.5
Accumulated depreciation	(0.1)
First year of construction	1958
Year Acquired/Completed, First Date	2013
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	0.5
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0.1
Leasing Segment | Mililani South (HI) | Office | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	7.0
Buildings and Improvements	3.5
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0.8
Carrying costs	0
Gross Amounts at which carried at close of period
Land	7.0
Buildings and improvements	4.3
Total	11.3
Accumulated depreciation	(0.3)
First year of construction	1992
Second year of construction	2006
Year Acquired/Completed, First Date	2012
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	11.3
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0.3
Leasing Segment | Stangenwald Building (HI) | Office | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	1.8
Buildings and Improvements	1.0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.2
Carrying costs	0
Gross Amounts at which carried at close of period
Land	1.8
Buildings and improvements	2.2
Total	4.0
Accumulated depreciation	(0.7)
First year of construction	1901
Second year of construction	1980
Year Acquired/Completed, First Date	1996
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	4.0
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0.7
Leasing Segment | 1800/ 1820 Preston Park (TX) | Office | TEXAS
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	4.5
Buildings and Improvements	19.9
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	4.7
Carrying costs	0
Gross Amounts at which carried at close of period
Land	4.5
Buildings and improvements	24.6
Total	29.1
Accumulated depreciation	(6.0)
First year of construction	1997
Second year of construction	1998
Year Acquired/Completed, First Date	2006
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	29.1
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	6.0
Leasing Segment | 2868 Prospect Park (CA) | Office | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	2.9
Buildings and Improvements	18.1
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	9.3
Carrying costs	0
Gross Amounts at which carried at close of period
Land	2.9
Buildings and improvements	27.4
Total	30.3
Accumulated depreciation	(12.6)
First year of construction	1998
Year Acquired/Completed, First Date	1998
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	30.3
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	12.6
Leasing Segment | 2890 Gateway Oaks (CA) | Office | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	1.7
Buildings and Improvements	10.8
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.7
Carrying costs	0
Gross Amounts at which carried at close of period
Land	1.7
Buildings and improvements	12.5
Total	14.2
Accumulated depreciation	(2.9)
First year of construction	1999
Year Acquired/Completed, First Date	2006
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	14.2
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	2.9
Leasing Segment | Concorde Commerce Center (AZ) | Office | ARIZONA
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	3.9
Buildings and Improvements	20.9
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	5.9
Carrying costs	0
Gross Amounts at which carried at close of period
Land	3.9
Buildings and improvements	26.8
Total	30.7
Accumulated depreciation	(5.4)
First year of construction	1998
Year Acquired/Completed, First Date	2006
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	30.7
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	5.4
Leasing Segment | Deer Valley Financial Center (AZ) | Office | ARIZONA
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	3.4
Buildings and Improvements	19.2
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	2.9
Carrying costs	0
Gross Amounts at which carried at close of period
Land	3.4
Buildings and improvements	22.1
Total	25.5
Accumulated depreciation	(6.2)
First year of construction	2001
Year Acquired/Completed, First Date	2005
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	25.5
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	6.2
Leasing Segment | Ninigret Office X and XI (TX) | Office | TEXAS
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	3.1
Buildings and Improvements	17.7
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	3.0
Carrying costs	0
Gross Amounts at which carried at close of period
Land	3.1
Buildings and improvements	20.7
Total	23.8
Accumulated depreciation	(6.1)
First year of construction	1999
Second year of construction	2002
Year Acquired/Completed, First Date	2006
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	23.8
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	6.1
Leasing Segment | San Pedro Plaza (TX) | Office | TEXAS
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	4.6
Buildings and Improvements	11.9
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	8.2
Carrying costs	0
Gross Amounts at which carried at close of period
Land	4.6
Buildings and improvements	20.1
Total	24.7
Accumulated depreciation	(9.8)
First year of construction	1985
Year Acquired/Completed, First Date	1998
Year Acquired/Completed Second Date	2000
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	24.7
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	9.8
Leasing Segment | Union Bank (WA) | Office | WASHINGTON
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	3.4
Buildings and Improvements	10.5
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0.4
Carrying costs	0
Gross Amounts at which carried at close of period
Land	3.4
Buildings and improvements	10.9
Total	14.3
Accumulated depreciation	(1.2)
First year of construction	1993
Second year of construction	2008
Year Acquired/Completed, First Date	2011
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	14.3
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	1.2
Leasing Segment | Gateway at Mililani Mauka (HI) | Retail | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	5.0
Buildings and Improvements	4.7
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	7.2
Carrying costs	0
Gross Amounts at which carried at close of period
Land	5.0
Buildings and improvements	11.9
Total	16.9
Accumulated depreciation	(0.3)
First year of construction	2006
Second year of construction	2013
Year Acquired/Completed, First Date	2011
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	16.9
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0.3
Leasing Segment | Kahului Shopping Center (HI) | Retail | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	2.5
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	2.5
Total	2.5
Accumulated depreciation	(1.4)
First year of construction	1951
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	2.5
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	1.4
Leasing Segment | Kailua Grocery Anchored (HI) | Retail | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	11.2
Initial Cost
Land	54.4
Buildings and Improvements	49.3
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0.4
Carrying costs	0
Gross Amounts at which carried at close of period
Land	54.4
Buildings and improvements	49.7
Total	104.1
Accumulated depreciation	(1.5)
Year Acquired/Completed, First Date	2013
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	104.1
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	1.5
Leasing Segment | Kailua Retail Other (HI) | Retail | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	29.6
Buildings and Improvements	26.7
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0.4
Carrying costs	0
Gross Amounts at which carried at close of period
Land	29.6
Buildings and improvements	27.1
Total	56.7
Accumulated depreciation	(0.9)
Year Acquired/Completed, First Date	2013
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	56.7
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0.9
Leasing Segment | Kaneohe Bay Shopping Ctr. (HI) | Retail | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	13.4
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.9
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	15.3
Total	15.3
Accumulated depreciation	(5.0)
First year of construction	1971
Year Acquired/Completed, First Date	2001
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	15.3
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	5.0
Leasing Segment | Kunia Shopping Center (HI) | Retail | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	2.7
Buildings and Improvements	10.6
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.3
Carrying costs	0
Gross Amounts at which carried at close of period
Land	2.7
Buildings and improvements	11.9
Total	14.6
Accumulated depreciation	(3.4)
First year of construction	2004
Year Acquired/Completed, First Date	2002
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	14.6
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	3.4
Leasing Segment | Lahaina Square (HI) | Retail | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	4.6
Buildings and Improvements	3.7
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0.3
Carrying costs	0
Gross Amounts at which carried at close of period
Land	4.6
Buildings and improvements	4.0
Total	8.6
Accumulated depreciation	(0.5)
First year of construction	1973
Year Acquired/Completed, First Date	2010
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	8.6
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0.5
Leasing Segment | Lanihau Marketplace (HI) | Retail | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	9.4
Buildings and Improvements	13.2
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.0
Carrying costs	0
Gross Amounts at which carried at close of period
Land	9.4
Buildings and improvements	14.2
Total	23.6
Accumulated depreciation	(1.7)
First year of construction	1987
Year Acquired/Completed, First Date	2010
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	23.6
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	1.7
Leasing Segment | Napili Plaza (HI) | Retail | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	9.4
Buildings and Improvements	8.0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0.2
Carrying costs	0
Gross Amounts at which carried at close of period
Land	9.4
Buildings and improvements	8.2
Total	17.6
Accumulated depreciation	(0.5)
First year of construction	1991
Year Acquired/Completed, First Date	2003
Year Acquired/Completed Second Date	2013
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	17.6
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0.5
Leasing Segment | Pearl Highlands Center (HI) | Retail | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	93.6
Initial Cost
Land	43.4
Buildings and Improvements	96.2
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0.4
Carrying costs	0
Gross Amounts at which carried at close of period
Land	43.4
Buildings and improvements	96.6
Total	140.0
Accumulated depreciation	(3.8)
First year of construction	1993
Year Acquired/Completed, First Date	2013
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	140.0
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	3.8
Leasing Segment | Port Allen Marina Ctr. (HI) | Retail | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	3.4
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.1
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	4.5
Total	4.5
Accumulated depreciation	(1.8)
First year of construction	2002
Year Acquired/Completed, First Date	1971
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	4.5
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	1.8
Leasing Segment | The Shops at Kukui'ula (HI) | Retail | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	40.5
Initial Cost
Land	8.9
Buildings and Improvements	30.1
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0.3
Carrying costs	0
Gross Amounts at which carried at close of period
Land	8.9
Buildings and improvements	30.4
Total	39.3
Accumulated depreciation	(1.1)
First year of construction	2009
Year Acquired/Completed, First Date	2013
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	39.3
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	1.1
Leasing Segment | Waianae Mall (HI) | Retail | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	19.1
Initial Cost
Land	17.4
Buildings and Improvements	10.1
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	4.2
Carrying costs	0
Gross Amounts at which carried at close of period
Land	17.4
Buildings and improvements	14.3
Total	31.7
Accumulated depreciation	(0.7)
Year Acquired/Completed, First Date	2013
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	31.7
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0.7
Leasing Segment | Waipio Shopping Center (HI) | Retail | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	24.0
Buildings and Improvements	7.6
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0.5
Carrying costs	0
Gross Amounts at which carried at close of period
Land	24.0
Buildings and improvements	8.1
Total	32.1
Accumulated depreciation	(1.1)
First year of construction	1986
Second year of construction	2004
Year Acquired/Completed, First Date	2009
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	32.1
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	1.1
Leasing Segment | Little Cottonwood Center (UT) | Retail | UTAH
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	12.2
Buildings and Improvements	9.1
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.0
Carrying costs	0
Gross Amounts at which carried at close of period
Land	12.2
Buildings and improvements	10.1
Total	22.3
Accumulated depreciation	(1.3)
First year of construction	1998
Second year of construction	2008
Year Acquired/Completed, First Date	2010
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	22.3
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	1.3
Leasing Segment | Royal MacArthur Center (TX) | Retail | TEXAS
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	3.5
Buildings and Improvements	10.1
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.6
Carrying costs	0
Gross Amounts at which carried at close of period
Land	3.5
Buildings and improvements	11.7
Total	15.2
Accumulated depreciation	(2.5)
First year of construction	2006
Year Acquired/Completed, First Date	2007
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	15.2
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	2.5
Leasing Segment | Wilshire Shopping Center (CO) | Retail | COLORADO
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	1.3
Buildings and Improvements	1.3
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0.4
Carrying costs	0
Gross Amounts at which carried at close of period
Land	1.3
Buildings and improvements	1.7
Total	3.0
Accumulated depreciation	(0.9)
Year Acquired/Completed, First Date	1997
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	3.0
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0.9
Leasing Segment | Oahu Ground Leases (HI) | Other | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	187.7
Buildings and Improvements	0.6
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0
Carrying costs	0
Gross Amounts at which carried at close of period
Land	187.7
Buildings and improvements	0.6
Total	188.3
Accumulated depreciation	0
Year Acquired/Completed, First Date	2013
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	188.3
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Leasing Segment | Other miscellaneous investments | Other | HAWAII
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	18.6
Buildings and Improvements	1.3
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	12.6
Carrying costs	0
Gross Amounts at which carried at close of period
Land	18.6
Buildings and improvements	13.9
Total	32.5
Accumulated depreciation	(10.6)
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	32.5
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	10.6
Development and Sales segment | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	35.2
Initial Cost
Land	125.3
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	101.2
Carrying costs	0
Gross Amounts at which carried at close of period
Land	125.3
Buildings and improvements	101.2
Total	226.5
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	226.5
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Aina ‘O Kane | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.2
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	1.2
Total	1.2
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	1.2
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Brydeswood | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	2.5
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	2.5
Total	2.5
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	2.5
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Grove Ranch | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.5
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	1.5
Total	1.5
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	1.5
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Haliimaile | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.0
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	1.0
Total	1.0
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	1.0
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Kahala Portfolio | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	35.2
Initial Cost
Land	77.1
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.3
Carrying costs	0
Gross Amounts at which carried at close of period
Land	77.1
Buildings and improvements	1.3
Total	78.4
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	78.4
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Kahului Town Center | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	2.3
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	2.3
Total	2.3
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	2.3
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Kai'Olino | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	11.3
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	11.3
Total	11.3
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	11.3
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Maui Business Park II | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	51.6
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	51.6
Total	51.6
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	51.6
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Santa Barbara | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	5.9
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0
Carrying costs	0
Gross Amounts at which carried at close of period
Land	5.9
Buildings and improvements	0
Total	5.9
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	5.9
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Wailea B-1 | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	4.6
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0
Carrying costs	0
Gross Amounts at which carried at close of period
Land	4.6
Buildings and improvements	0
Total	4.6
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	4.6
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Wailea B-II | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	3.3
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0
Carrying costs	0
Gross Amounts at which carried at close of period
Land	3.3
Buildings and improvements	0
Total	3.3
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	3.3
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Wailea MF-6 | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	5.8
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0
Carrying costs	0
Gross Amounts at which carried at close of period
Land	5.8
Buildings and improvements	0
Total	5.8
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	5.8
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Wailea MF-7 | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	2.9
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	5.9
Carrying costs	0
Gross Amounts at which carried at close of period
Land	2.9
Buildings and improvements	5.9
Total	8.8
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	8.8
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Wailea SF-8 | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	1.3
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0
Carrying costs	0
Gross Amounts at which carried at close of period
Land	1.3
Buildings and improvements	0
Total	1.3
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	1.3
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Wailea MF-10 | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	2.0
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0.5
Carrying costs	0
Gross Amounts at which carried at close of period
Land	2.0
Buildings and improvements	0.5
Total	2.5
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	2.5
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Wailea MF-16 | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	2.7
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	0
Carrying costs	0
Gross Amounts at which carried at close of period
Land	2.7
Buildings and improvements	0
Total	2.7
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	2.7
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Keola 'O Wailea (MF-11) | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	2.7
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	6.3
Carrying costs	0
Gross Amounts at which carried at close of period
Land	2.7
Buildings and improvements	6.3
Total	9.0
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	9.0
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | The Ridge at Wailea (MF-19) | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	1.7
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	6.0
Carrying costs	0
Gross Amounts at which carried at close of period
Land	1.7
Buildings and improvements	6.0
Total	7.7
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	7.7
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Wailea, other | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	15.3
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	3.1
Carrying costs	0
Gross Amounts at which carried at close of period
Land	15.3
Buildings and improvements	3.1
Total	18.4
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	18.4
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Waiale Community | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.5
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	1.5
Total	1.5
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	1.5
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Other Maui landholdings | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	3.8
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	3.8
Total	3.8
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	3.8
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	0
Development and Sales segment | Other Kauai landholdings | Real Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost
Land	0
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition [Abstract]
Improvements	1.4
Carrying costs	0
Gross Amounts at which carried at close of period
Land	0
Buildings and improvements	1.4
Total	1.4
Accumulated depreciation	0
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at end of year	1.4
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at end of year	$ 0

[1] See Note 9 to consolidated financial statements.

[2] The aggregate tax basis, as of December 31, 2014, for the Real Estate Leasing segment and Real Estate Development and Sales segment assets was approximately $632.3 million, including the outside tax basis of consolidated joint venture investments.