Schedule III - Real Estate and Accumulated Depreciation (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) a Unit lot	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 2,602.4
Initial Cost
Land	1,226.8
Building & Improvements	3,542.3
Costs Capitalized Subsequent to Acquisition
Improvements	546.0
Gross Balance at December 31, 2020
Land	1,225.1
Building & Improvements	3,982.6
Total	5,207.7	$ 5,430.5	$ 5,981.7	$ 6,578.6
Accumulated Depreciation	(551.8)	$ (466.8)	$ (406.5)	$ (344.0)
Aggregate tax basis of all properties	4,620.9
Southern California | Commercial | Office, Constructed 1955, 1981, 1982
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	35.0
Initial Cost
Land	11.2
Building & Improvements	18.5
Costs Capitalized Subsequent to Acquisition
Improvements	34.6
Gross Balance at December 31, 2020
Land	11.5
Building & Improvements	54.1
Total	65.6
Accumulated Depreciation	$ (7.5)
Depreciable Life in Years	39 years
Southern California | Commercial | Retail, Constructed 1985
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 27.0
Initial Cost
Land	9.1
Building & Improvements	14.0
Costs Capitalized Subsequent to Acquisition
Improvements	11.9
Gross Balance at December 31, 2020
Land	9.1
Building & Improvements	25.9
Total	35.0
Accumulated Depreciation	$ (3.5)
Depreciable Life in Years	39 years
Southern California | Commercial | Office, Constructed 1982
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 22.5
Initial Cost
Land	37.8
Building & Improvements	60.6
Costs Capitalized Subsequent to Acquisition
Improvements	17.7
Gross Balance at December 31, 2020
Land	37.8
Building & Improvements	78.3
Total	116.1
Accumulated Depreciation	$ (12.0)
Depreciable Life in Years	39 years
Southern California | Commercial | Office, Constructed 1968
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 28.8
Initial Cost
Land	11.6
Building & Improvements	36.5
Costs Capitalized Subsequent to Acquisition
Improvements	4.6
Gross Balance at December 31, 2020
Land	11.6
Building & Improvements	41.1
Total	52.7
Accumulated Depreciation	$ (7.8)
Depreciable Life in Years	39 years
Southern California | Commercial | Office 2, Constructed 1982
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 35.0
Initial Cost
Land	20.7
Building & Improvements	47.9
Costs Capitalized Subsequent to Acquisition
Improvements	25.9
Gross Balance at December 31, 2020
Land	20.7
Building & Improvements	53.6
Total	74.3
Accumulated Depreciation	$ (8.4)
Depreciable Life in Years	39 years
Southern California | Commercial | Office Constructed 1956
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 17.8
Initial Cost
Land	27.4
Building & Improvements	6.9
Costs Capitalized Subsequent to Acquisition
Improvements	5.7
Gross Balance at December 31, 2020
Land	27.4
Building & Improvements	12.6
Total	40.0
Accumulated Depreciation	$ (0.3)
Depreciable Life in Years	39 years
Southern California | Multifamily | 208-Unit Multifamily Building, Constructed 2004
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 37.3
Initial Cost
Land	9.3
Building & Improvements	37.3
Costs Capitalized Subsequent to Acquisition
Improvements	5.7
Gross Balance at December 31, 2020
Land	9.3
Building & Improvements	43.0
Total	52.3
Accumulated Depreciation	$ (8.5)
Depreciable Life in Years	39 years
Number of units | Unit	208
Southern California | Multifamily | 460-Unit Multifamily Building, Constructed 1988
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 46.7
Initial Cost
Land	13.2
Building & Improvements	53.0
Costs Capitalized Subsequent to Acquisition
Improvements	5.1
Gross Balance at December 31, 2020
Land	13.2
Building & Improvements	58.1
Total	71.3
Accumulated Depreciation	$ (9.9)
Depreciable Life in Years	39 years
Number of units | Unit	460
Southern California | Multifamily | 386-Unit Multifamily Building, Constructed 2002
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 66.0
Initial Cost
Land	0.0
Building & Improvements	81.4
Costs Capitalized Subsequent to Acquisition
Improvements	8.3
Gross Balance at December 31, 2020
Land	0.0
Building & Improvements	89.8
Total	89.8
Accumulated Depreciation	$ (11.6)
Depreciable Life in Years	39 years
Number of units | Unit	386
Southern California | Multifamily | 157-Unit Multifamily Building, Constructed 2013
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 42.9
Initial Cost
Land	14.5
Building & Improvements	46.0
Costs Capitalized Subsequent to Acquisition
Improvements	1.3
Gross Balance at December 31, 2020
Land	14.5
Building & Improvements	47.3
Total	61.8
Accumulated Depreciation	$ (5.6)
Depreciable Life in Years	39 years
Number of units | Unit	157
Southern California | Multifamily | Land 1 Acquired 2018
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0.0
Initial Cost
Land	0.6
Building & Improvements	0.0
Costs Capitalized Subsequent to Acquisition
Improvements	0.0
Gross Balance at December 31, 2020
Land	3.8
Building & Improvements	0.0
Total	3.8
Accumulated Depreciation	$ 0.0
Depreciable Life in Years	39 years
Mountain States | Commercial | Retail, Constructed 1981
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 1.2
Initial Cost
Land	0.5
Building & Improvements	1.2
Costs Capitalized Subsequent to Acquisition
Improvements	0.4
Gross Balance at December 31, 2020
Land	0.5
Building & Improvements	1.6
Total	2.1
Accumulated Depreciation	$ (0.3)
Depreciable Life in Years	39 years
Mountain States | Commercial | Retail, Constructed 1958, 1974-1976, 1985, 1989, 2006
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 10.0
Initial Cost
Land	2.1
Building & Improvements	2.9
Costs Capitalized Subsequent to Acquisition
Improvements	1.8
Gross Balance at December 31, 2020
Land	1.8
Building & Improvements	4.7
Total	6.5
Accumulated Depreciation	$ (0.6)
Depreciable Life in Years	39 years
Mountain States | Commercial | Retail, Constructed 1980, 1983
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 4.2
Initial Cost
Land	2.6
Building & Improvements	5.6
Costs Capitalized Subsequent to Acquisition
Improvements	1.2
Gross Balance at December 31, 2020
Land	2.6
Building & Improvements	6.8
Total	9.4
Accumulated Depreciation	$ (1.1)
Depreciable Life in Years	39 years
Mountain States | Commercial | Retail, Constructed 1961
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 6.7
Initial Cost
Land	2.6
Building & Improvements	9.5
Costs Capitalized Subsequent to Acquisition
Improvements	3.9
Gross Balance at December 31, 2020
Land	2.6
Building & Improvements	13.4
Total	16.0
Accumulated Depreciation	$ (1.2)
Depreciable Life in Years	39 years
Mountain States | Commercial | Retail, Constructed 1984, 2008
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 27.5
Initial Cost
Land	9.0
Building & Improvements	29.9
Costs Capitalized Subsequent to Acquisition
Improvements	1.1
Gross Balance at December 31, 2020
Land	9.0
Building & Improvements	31.0
Total	40.0
Accumulated Depreciation	$ (3.4)
Depreciable Life in Years	39 years
Mountain States | Commercial | Retail, Constructed 1995, 1996
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 3.7
Initial Cost
Land	1.2
Building & Improvements	5.4
Costs Capitalized Subsequent to Acquisition
Improvements	0.5
Gross Balance at December 31, 2020
Land	1.2
Building & Improvements	5.9
Total	7.1
Accumulated Depreciation	$ (0.6)
Depreciable Life in Years	39 years
Mountain States | Commercial | Retail, Constructed 1967 and 1983
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 12.0
Initial Cost
Land	4.1
Building & Improvements	12.2
Costs Capitalized Subsequent to Acquisition
Improvements	0.2
Gross Balance at December 31, 2020
Land	4.1
Building & Improvements	12.9
Total	17.0
Accumulated Depreciation	$ (1.1)
Depreciable Life in Years	39 years
Mountain States | Multifamily | 450-unit Multifamily Building, Constructed 1974
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 44.1
Initial Cost
Land	18.4
Building & Improvements	43.0
Costs Capitalized Subsequent to Acquisition
Improvements	7.8
Gross Balance at December 31, 2020
Land	18.4
Building & Improvements	52.1
Total	70.5
Accumulated Depreciation	$ (13.7)
Depreciable Life in Years	39 years
Number of units | Unit	450
Mountain States | Multifamily | 366-unit Apartment building, Constructed 2000
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 52.6
Initial Cost
Land	9.1
Building & Improvements	36.3
Costs Capitalized Subsequent to Acquisition
Improvements	11.3
Gross Balance at December 31, 2020
Land	9.1
Building & Improvements	47.6
Total	56.7
Accumulated Depreciation	$ (15.8)
Depreciable Life in Years	39 years
Number of units | Unit	366
Mountain States | Multifamily | 324-Unit Multifamily Building, Constructed 1996
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 24.8
Initial Cost
Land	3.2
Building & Improvements	28.6
Costs Capitalized Subsequent to Acquisition
Improvements	7.5
Gross Balance at December 31, 2020
Land	3.2
Building & Improvements	36.0
Total	39.2
Accumulated Depreciation	$ (8.6)
Depreciable Life in Years	39 years
Number of units | Unit	324
Mountain States | Multifamily | 204-Unit Multifamily Building, Constructed 1999
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 14.3
Initial Cost
Land	2.0
Building & Improvements	17.6
Costs Capitalized Subsequent to Acquisition
Improvements	3.0
Gross Balance at December 31, 2020
Land	2.0
Building & Improvements	20.6
Total	22.6
Accumulated Depreciation	$ (3.2)
Depreciable Life in Years	39 years
Number of units | Unit	204
Mountain States | Multifamily | 168-Unit Multifamily Building, Constructed 1992
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 10.9
Initial Cost
Land	1.8
Building & Improvements	13.1
Costs Capitalized Subsequent to Acquisition
Improvements	2.7
Gross Balance at December 31, 2020
Land	1.8
Building & Improvements	15.7
Total	17.5
Accumulated Depreciation	$ (2.6)
Depreciable Life in Years	39 years
Number of units | Unit	168
Mountain States | Multifamily | Land 1 Acquired 2018
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0.0
Initial Cost
Land	0.2
Building & Improvements	0.0
Costs Capitalized Subsequent to Acquisition
Improvements	0.0
Gross Balance at December 31, 2020
Land	4.6
Building & Improvements	0.0
Total	4.6
Accumulated Depreciation	$ 0.0
Depreciable Life in Years	39 years
Mountain States | Multifamily | 300-Unit Multifamily Building, Constructed 1995
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 39.0
Initial Cost
Land	4.8
Building & Improvements	29.2
Costs Capitalized Subsequent to Acquisition
Improvements	4.8
Gross Balance at December 31, 2020
Land	4.8
Building & Improvements	34.1
Total	38.9
Accumulated Depreciation	$ (3.6)
Depreciable Life in Years	39 years
Number of units | Unit	300
Mountain States | Multifamily | 200-Unit Multifamily Building, Constructed 2012
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 20.7
Initial Cost
Land	1.4
Building & Improvements	25.9
Costs Capitalized Subsequent to Acquisition
Improvements	0.8
Gross Balance at December 31, 2020
Land	1.4
Building & Improvements	26.7
Total	28.1
Accumulated Depreciation	$ (2.4)
Depreciable Life in Years	39 years
Number of units | Unit	200
Mountain States | Multifamily | 88-Unit Multifamily Building Constructed 1988
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 8.6
Initial Cost
Land	2.6
Building & Improvements	10.4
Costs Capitalized Subsequent to Acquisition
Improvements	1.0
Gross Balance at December 31, 2020
Land	2.6
Building & Improvements	11.6
Total	14.2
Accumulated Depreciation	$ (1.2)
Depreciable Life in Years	39 years
Number of units | Unit	88
Mountain States | Multifamily | 492-Unit Multifamily Building Constructed 1985
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 59.2
Initial Cost
Land	15.8
Building & Improvements	63.2
Costs Capitalized Subsequent to Acquisition
Improvements	5.2
Gross Balance at December 31, 2020
Land	15.9
Building & Improvements	68.5
Total	84.4
Accumulated Depreciation	$ (6.0)
Depreciable Life in Years	39 years
Number of units | Unit	492
Mountain States | Multifamily | Land 2 Acquired 2018
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 8.0
Initial Cost
Land	0.8
Building & Improvements	0.0
Costs Capitalized Subsequent to Acquisition
Improvements	0.0
Gross Balance at December 31, 2020
Land	0.7
Building & Improvements	9.2
Total	9.9
Accumulated Depreciation	$ 0.0
Depreciable Life in Years	39 years
Mountain States | Multifamily | Land 3 Acquired 2018
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0.0
Initial Cost
Land	2.1
Building & Improvements	0.0
Costs Capitalized Subsequent to Acquisition
Improvements	0.0
Gross Balance at December 31, 2020
Land	4.3
Building & Improvements	0.0
Total	4.3
Accumulated Depreciation	$ 0.0
Depreciable Life in Years	39 years
Mountain States | Multifamily | 293-Unit Multifamily Building Constructed 1995
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 19.9
Initial Cost
Land	7.2
Building & Improvements	28.8
Costs Capitalized Subsequent to Acquisition
Improvements	0.7
Gross Balance at December 31, 2020
Land	7.2
Building & Improvements	29.5
Total	36.7
Accumulated Depreciation	$ (1.9)
Depreciable Life in Years	39 years
Number of units | Unit	293
Mountain States | Multifamily | 188-Unit Multifamily Building Constructed 1985
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 13.5
Initial Cost
Land	4.9
Building & Improvements	19.7
Costs Capitalized Subsequent to Acquisition
Improvements	6.0
Gross Balance at December 31, 2020
Land	4.9
Building & Improvements	25.7
Total	30.6
Accumulated Depreciation	$ (2.0)
Depreciable Life in Years	39 years
Number of units | Unit	188
Mountain States | Multifamily | Land 4 Acquired 2018
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 20.5
Initial Cost
Land	5.7
Building & Improvements	0.0
Costs Capitalized Subsequent to Acquisition
Improvements	0.2
Gross Balance at December 31, 2020
Land	1.9
Building & Improvements	34.7
Total	36.6
Accumulated Depreciation	$ (0.2)
Depreciable Life in Years	39 years
Mountain States | Multifamily | 222-Unit Multifamily Building Constructed 1996
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 28.8
Initial Cost
Land	9.6
Building & Improvements	38.6
Costs Capitalized Subsequent to Acquisition
Improvements	1.4
Gross Balance at December 31, 2020
Land	9.6
Building & Improvements	39.9
Total	49.5
Accumulated Depreciation	$ (2.3)
Depreciable Life in Years	39 years
Number of units | Unit	222
Mountain States | Multifamily | Land 1 Acquired 2019
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 26.9
Initial Cost
Land	4.0
Building & Improvements	0.0
Costs Capitalized Subsequent to Acquisition
Improvements	0.0
Gross Balance at December 31, 2020
Land	50.0
Building & Improvements	0.0
Total	50.0
Accumulated Depreciation	$ 0.0
Depreciable Life in Years	39 years
Mountain States | Multifamily | Land 2 Acquired 2019
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0.0
Initial Cost
Land	0.0
Building & Improvements	0.0
Costs Capitalized Subsequent to Acquisition
Improvements	0.0
Gross Balance at December 31, 2020
Land	0.0
Building & Improvements	2.3
Total	2.3
Accumulated Depreciation	$ 0.0
Depreciable Life in Years	39 years
Mountain States | Multifamily | 360-Unit Multifamily Building Constructed 2015
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 52.7
Initial Cost
Land	16.4
Building & Improvements	65.7
Costs Capitalized Subsequent to Acquisition
Improvements	0.2
Gross Balance at December 31, 2020
Land	16.4
Building & Improvements	66.0
Total	82.4
Accumulated Depreciation	$ (1.8)
Depreciable Life in Years	39 years
Number of units | Unit	360
Mountain States | Multifamily | 260-Unit Multifamily Building Constructed 2014
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 40.1
Initial Cost
Land	13.4
Building & Improvements	53.6
Costs Capitalized Subsequent to Acquisition
Improvements	0.0
Gross Balance at December 31, 2020
Land	13.4
Building & Improvements	53.7
Total	67.1
Accumulated Depreciation	$ (0.2)
Depreciable Life in Years	39 years
Number of units | Unit	260
United Kingdom | Commercial | Commercial Portfolio 1, Acquired 2014
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0.0
Initial Cost
Land	16.8
Building & Improvements	24.2
Costs Capitalized Subsequent to Acquisition
Improvements	13.3
Gross Balance at December 31, 2020
Land	3.1
Building & Improvements	47.8
Total	50.9
Accumulated Depreciation	$ (7.8)
Depreciable Life in Years	39 years
United Kingdom | Commercial | Commercial Portfolio 2, Acquired 2014
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 100.1
Initial Cost
Land	78.5
Building & Improvements	289.0
Costs Capitalized Subsequent to Acquisition
Improvements	33.8
Gross Balance at December 31, 2020
Land	56.7
Building & Improvements	259.7
Total	316.4
Accumulated Depreciation	$ (46.5)
Depreciable Life in Years	39 years
United Kingdom | Commercial | Office, Constructed 2003
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0.0
Initial Cost
Land	85.3
Building & Improvements	232.0
Costs Capitalized Subsequent to Acquisition
Improvements	25.3
Gross Balance at December 31, 2020
Land	83.6
Building & Improvements	225.5
Total	309.1
Accumulated Depreciation	$ (46.0)
Depreciable Life in Years	39 years
United Kingdom | Commercial | Retail, Constructed 2010
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 72.5
Initial Cost
Land	6.2
Building & Improvements	109.5
Costs Capitalized Subsequent to Acquisition
Improvements	7.2
Gross Balance at December 31, 2020
Land	5.1
Building & Improvements	97.3
Total	102.4
Accumulated Depreciation	$ (16.1)
Depreciable Life in Years	39 years
United Kingdom | Commercial | Commercial Portfolio 1, Acquired 2015
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 187.1
Initial Cost
Land	128.4
Building & Improvements	216.4
Costs Capitalized Subsequent to Acquisition
Improvements	8.0
Gross Balance at December 31, 2020
Land	107.0
Building & Improvements	187.5
Total	294.5
Accumulated Depreciation	$ (27.9)
Depreciable Life in Years	39 years
United Kingdom | Commercial | Office Portfolio, Acquired 2015
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0.0
Initial Cost
Land	28.1
Building & Improvements	58.6
Costs Capitalized Subsequent to Acquisition
Improvements	22.4
Gross Balance at December 31, 2020
Land	31.5
Building & Improvements	66.2
Total	97.7
Accumulated Depreciation	$ (6.9)
Depreciable Life in Years	39 years
United Kingdom | Commercial | Office Portfolio, Acquired 2016
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 69.9
Initial Cost
Land	32.1
Building & Improvements	70.4
Costs Capitalized Subsequent to Acquisition
Improvements	2.0
Gross Balance at December 31, 2020
Land	30.2
Building & Improvements	68.3
Total	98.5
Accumulated Depreciation	$ (8.2)
Depreciable Life in Years	39 years
United Kingdom | Commercial | Office, Constructed 2006 And 2007
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0.0
Initial Cost
Land	0.0
Building & Improvements	41.3
Costs Capitalized Subsequent to Acquisition
Improvements	0.0
Gross Balance at December 31, 2020
Land	0.0
Building & Improvements	41.3
Total	41.3
Accumulated Depreciation	$ 0.0
Depreciable Life in Years	39 years
United Kingdom | Development | Land Acquired 2018
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances
Initial Cost
Land	4.2
Building & Improvements	0.0
Costs Capitalized Subsequent to Acquisition
Improvements	0.1
Gross Balance at December 31, 2020
Land	4.1
Building & Improvements	0.5
Total	4.6
Accumulated Depreciation	0.0
Ireland | Commercial | Office, Acquired 2014
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0.0
Initial Cost
Land	2.0
Building & Improvements	4.4
Costs Capitalized Subsequent to Acquisition
Improvements	0.0
Gross Balance at December 31, 2020
Land	1.5
Building & Improvements	6.1
Total	7.6
Accumulated Depreciation	$ (1.0)
Depreciable Life in Years	39 years
Ireland | Commercial | Office, Constructed 2003
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 86.0
Initial Cost
Land	8.2
Building & Improvements	102.6
Costs Capitalized Subsequent to Acquisition
Improvements	0.0
Gross Balance at December 31, 2020
Land	7.3
Building & Improvements	92.1
Total	99.4
Accumulated Depreciation	$ (15.0)
Depreciable Life in Years	39 years
Ireland | Commercial | Retail, Constructed 1966 And 2005
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 106.4
Initial Cost
Land	59.8
Building & Improvements	83.1
Costs Capitalized Subsequent to Acquisition
Improvements	27.8
Gross Balance at December 31, 2020
Land	53.7
Building & Improvements	102.4
Total	156.1
Accumulated Depreciation	$ (12.4)
Depreciable Life in Years	39 years
Ireland | Commercial | Office, Constructed 1980
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 83.8
Initial Cost
Land	20.4
Building & Improvements	73.8
Costs Capitalized Subsequent to Acquisition
Improvements	5.8
Gross Balance at December 31, 2020
Land	18.3
Building & Improvements	72.0
Total	90.3
Accumulated Depreciation	$ (13.1)
Depreciable Life in Years	39 years
Ireland | Commercial | Office Building, Constructed 2007
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0.0
Initial Cost
Land	2.0
Building & Improvements	11.9
Costs Capitalized Subsequent to Acquisition
Improvements	0.2
Gross Balance at December 31, 2020
Land	2.2
Building & Improvements	13.4
Total	15.6
Accumulated Depreciation	$ (1.5)
Depreciable Life in Years	39 years
Ireland | Commercial | Office, Constructed 2009, Acquired 2016
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0.0
Initial Cost
Land	4.2
Building & Improvements	64.0
Costs Capitalized Subsequent to Acquisition
Improvements	2.0
Gross Balance at December 31, 2020
Land	4.5
Building & Improvements	69.9
Total	74.4
Accumulated Depreciation	$ (8.1)
Depreciable Life in Years	39 years
Ireland | Commercial | Office, Constructed 1841
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0.0
Initial Cost
Land	4.9
Building & Improvements	18.5
Costs Capitalized Subsequent to Acquisition
Improvements	7.9
Gross Balance at December 31, 2020
Land	5.0
Building & Improvements	27.1
Total	32.1
Accumulated Depreciation	$ (1.7)
Depreciable Life in Years	39 years
Ireland | Commercial | Office, Constructed 1840 and 2000
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 26.2
Initial Cost
Land	11.0
Building & Improvements	0.0
Costs Capitalized Subsequent to Acquisition
Improvements	43.3
Gross Balance at December 31, 2020
Land	11.5
Building & Improvements	43.3
Total	54.8
Accumulated Depreciation	$ 0.0
Depreciable Life in Years	39 years
Ireland | Hotel | Hotel, Constructed 1824, 2005
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 88.0
Initial Cost
Land	54.0
Building & Improvements	114.3
Costs Capitalized Subsequent to Acquisition
Improvements	37.9
Gross Balance at December 31, 2020
Land	50.8
Building & Improvements	148.1
Total	198.9
Accumulated Depreciation	$ (31.2)
Depreciable Life in Years	39 years
Ireland | Development | Office, Acquired 2015
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 18.1
Initial Cost
Land	0.5
Building & Improvements	3.4
Costs Capitalized Subsequent to Acquisition
Improvements	23.4
Gross Balance at December 31, 2020
Land	0.6
Building & Improvements	34.1
Total	34.7
Accumulated Depreciation	0.0
Ireland | Development | Retail Acquired 2017
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0.0
Initial Cost
Land	17.2
Building & Improvements	0.0
Costs Capitalized Subsequent to Acquisition
Improvements	6.8
Gross Balance at December 31, 2020
Land	18.6
Building & Improvements	6.8
Total	25.4
Accumulated Depreciation	0.0
Ireland | Development | Office, Acquired 2020
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0.0
Initial Cost
Land	0.0
Building & Improvements	1.3
Costs Capitalized Subsequent to Acquisition
Improvements	0.0
Gross Balance at December 31, 2020
Land	0.0
Building & Improvements	1.3
Total	1.3
Accumulated Depreciation	0.0
Spain | Commercial | Retail Portfolio, Acquired 2015
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0.0
Initial Cost
Land	1.8
Building & Improvements	5.0
Costs Capitalized Subsequent to Acquisition
Improvements	0.0
Gross Balance at December 31, 2020
Land	1.9
Building & Improvements	5.5
Total	7.4
Accumulated Depreciation	$ (0.7)
Depreciable Life in Years	39 years
Spain | Commercial | Retail, Constructed 1995
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 43.6
Initial Cost
Land	27.1
Building & Improvements	46.2
Costs Capitalized Subsequent to Acquisition
Improvements	13.9
Gross Balance at December 31, 2020
Land	32.4
Building & Improvements	69.2
Total	101.6
Accumulated Depreciation	$ (8.6)
Depreciable Life in Years	39 years
Spain | Development | Retail, Acquired 2015
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0.0
Initial Cost
Land	0.0
Building & Improvements	34.7
Costs Capitalized Subsequent to Acquisition
Improvements	11.9
Gross Balance at December 31, 2020
Land	0.0
Building & Improvements	49.0
Total	49.0
Accumulated Depreciation	0.0
Spain | Development | Retail Acquired 2017
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0.0
Initial Cost
Land	0.0
Building & Improvements	13.9
Costs Capitalized Subsequent to Acquisition
Improvements	0.0
Gross Balance at December 31, 2020
Land	0.0
Building & Improvements	15.1
Total	15.1
Accumulated Depreciation	0.0
Italy | Commercial | Office Portfolio, Acquired 2015
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0.0
Initial Cost
Land	26.3
Building & Improvements	74.8
Costs Capitalized Subsequent to Acquisition
Improvements	0.7
Gross Balance at December 31, 2020
Land	35.4
Building & Improvements	101.0
Total	136.4
Accumulated Depreciation	$ (12.6)
Depreciable Life in Years	39 years
Pacific Northwest | Commercial | Retail Constructed 1956
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 5.3
Initial Cost
Land	2.3
Building & Improvements	8.1
Costs Capitalized Subsequent to Acquisition
Improvements	1.5
Gross Balance at December 31, 2020
Land	2.2
Building & Improvements	9.2
Total	11.4
Accumulated Depreciation	$ (0.7)
Depreciable Life in Years	39 years
Pacific Northwest | Commercial | Office, Constructed 1999 and 2001
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 77.0
Initial Cost
Land	30.6
Building & Improvements	106.0
Costs Capitalized Subsequent to Acquisition
Improvements	3.2
Gross Balance at December 31, 2020
Land	30.6
Building & Improvements	109.2
Total	139.8
Accumulated Depreciation	$ (9.8)
Depreciable Life in Years	39 years
Pacific Northwest | Multifamily | 217-unit Multifamily property, Constructed 2011
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 22.2
Initial Cost
Land	2.6
Building & Improvements	41.4
Costs Capitalized Subsequent to Acquisition
Improvements	3.9
Gross Balance at December 31, 2020
Land	2.5
Building & Improvements	43.0
Total	45.5
Accumulated Depreciation	$ (10.7)
Depreciable Life in Years	39 years
Number of units | Unit	217
Pacific Northwest | Multifamily | 203-Unit Multifamily Building, Constructed 2005
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 19.5
Initial Cost
Land	2.6
Building & Improvements	23.8
Costs Capitalized Subsequent to Acquisition
Improvements	2.7
Gross Balance at December 31, 2020
Land	2.6
Building & Improvements	27.2
Total	29.8
Accumulated Depreciation	$ (5.9)
Depreciable Life in Years	39 years
Number of units | Unit	203
Pacific Northwest | Multifamily | 280-Unit Multifamily Building, Constructed 2004, 2006
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 36.6
Initial Cost
Land	6.0
Building & Improvements	40.3
Costs Capitalized Subsequent to Acquisition
Improvements	2.7
Gross Balance at December 31, 2020
Land	6.0
Building & Improvements	43.0
Total	49.0
Accumulated Depreciation	$ (7.8)
Depreciable Life in Years	39 years
Number of units | Unit	280
Pacific Northwest | Multifamily | Condo, Constructed 2005
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0.0
Initial Cost
Land	0.0
Building & Improvements	0.2
Costs Capitalized Subsequent to Acquisition
Improvements	0.0
Gross Balance at December 31, 2020
Land	0.0
Building & Improvements	1.0
Total	1.0
Accumulated Depreciation	$ (0.1)
Depreciable Life in Years	39 years
Pacific Northwest | Multifamily | 430-Unit Multifamily Building, Constructed 2006
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 62.6
Initial Cost
Land	12.8
Building & Improvements	67.4
Costs Capitalized Subsequent to Acquisition
Improvements	4.0
Gross Balance at December 31, 2020
Land	12.8
Building & Improvements	71.3
Total	84.1
Accumulated Depreciation	$ (9.1)
Depreciable Life in Years	39 years
Number of units | Unit	430
Pacific Northwest | Multifamily | 408-Unit Multifamily Building, Constructed 1998
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 60.4
Initial Cost
Land	9.3
Building & Improvements	83.3
Costs Capitalized Subsequent to Acquisition
Improvements	4.1
Gross Balance at December 31, 2020
Land	9.3
Building & Improvements	87.4
Total	96.7
Accumulated Depreciation	$ (10.4)
Depreciable Life in Years	39 years
Number of units | Unit	408
Pacific Northwest | Multifamily | 210-Multifamily Building, Constructed 2007
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 29.0
Initial Cost
Land	11.0
Building & Improvements	46.7
Costs Capitalized Subsequent to Acquisition
Improvements	0.9
Gross Balance at December 31, 2020
Land	11.0
Building & Improvements	47.6
Total	58.6
Accumulated Depreciation	$ (4.2)
Depreciable Life in Years	39 years
Number of units | Unit	210
Pacific Northwest | Multifamily | 264-Unit Multifamily Building, Constructed 1997
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 25.2
Initial Cost
Land	6.4
Building & Improvements	44.9
Costs Capitalized Subsequent to Acquisition
Improvements	4.3
Gross Balance at December 31, 2020
Land	6.4
Building & Improvements	49.2
Total	55.6
Accumulated Depreciation	$ (4.7)
Depreciable Life in Years	39 years
Number of units | Unit	264
Pacific Northwest | Multifamily | 343-Unit Multifamily Building, Constructed 2016
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 84.0
Initial Cost
Land	26.8
Building & Improvements	107.4
Costs Capitalized Subsequent to Acquisition
Improvements	0.0
Gross Balance at December 31, 2020
Land	26.8
Building & Improvements	107.9
Total	134.7
Accumulated Depreciation	$ (8.6)
Depreciable Life in Years	39 years
Number of units | Unit	343
Pacific Northwest | Multifamily | 179-Unit Multifamily Building, Constructed 2013
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 33.0
Initial Cost
Land	11.9
Building & Improvements	47.4
Costs Capitalized Subsequent to Acquisition
Improvements	0.2
Gross Balance at December 31, 2020
Land	11.9
Building & Improvements	48.8
Total	60.7
Accumulated Depreciation	$ (4.0)
Depreciable Life in Years	39 years
Number of units | Unit	179
Northern California | Commercial | Office Constructed 2000
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 61.4
Initial Cost
Land	23.5
Building & Improvements	57.3
Costs Capitalized Subsequent to Acquisition
Improvements	0.3
Gross Balance at December 31, 2020
Land	23.5
Building & Improvements	57.6
Total	81.1
Accumulated Depreciation	$ (1.7)
Depreciable Life in Years	39 years
Northern California | Multifamily | 178-unit Apartment building, Constructed 1975
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 31.4
Initial Cost
Land	12.3
Building & Improvements	18.5
Costs Capitalized Subsequent to Acquisition
Improvements	9.4
Gross Balance at December 31, 2020
Land	12.3
Building & Improvements	28.9
Total	41.2
Accumulated Depreciation	$ (10.5)
Depreciable Life in Years	39 years
Number of units | Unit	178
Northern California | Multifamily | 542-Unit Multifamily Building, Constructed, 1987
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 89.2
Initial Cost
Land	38.3
Building & Improvements	57.5
Costs Capitalized Subsequent to Acquisition
Improvements	10.8
Gross Balance at December 31, 2020
Land	38.3
Building & Improvements	68.9
Total	107.2
Accumulated Depreciation	$ (16.1)
Depreciable Life in Years	39 years
Number of units | Unit	542
Northern California | Multifamily | 1,008-Unit Multifamily Building, Constructed 1988
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 175.0
Initial Cost
Land	62.3
Building & Improvements	152.5
Costs Capitalized Subsequent to Acquisition
Improvements	21.1
Gross Balance at December 31, 2020
Land	62.3
Building & Improvements	173.6
Total	235.9
Accumulated Depreciation	$ (31.3)
Depreciable Life in Years	39 years
Number of units | Unit	1,008
Hawaii | Ground Leases | 2700 acres
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0.0
Initial Cost
Land	31.7
Building & Improvements	3.8
Costs Capitalized Subsequent to Acquisition
Improvements	0.7
Gross Balance at December 31, 2020
Land	32.2
Building & Improvements	4.3
Total	36.5
Accumulated Depreciation	$ (2.0)
Area of real estate property (in sq ft) | a	2,700
Hawaii | Ground Leases | 3 Lots
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0.0
Initial Cost
Land	16.5
Building & Improvements	0.0
Costs Capitalized Subsequent to Acquisition
Improvements	0.0
Gross Balance at December 31, 2020
Land	16.5
Building & Improvements	0.0
Total	16.5
Accumulated Depreciation	$ 0.0
Number of lots | lot	3