Real Estate - Schedule of Development in Process Activities (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) Property		Dec. 31, 2021 USD ($) Property	Jan. 01, 2022 USD ($) Property		Jan. 01, 2021 USD ($) Property
Property, Plant and Equipment [Line Items]
Number of properties under development | Property	4		2	2		3
Real estate under development, beginning balance	$ 184,602		$ 203,773	$ 203,773		$ 247,201
Transfers In	9,610		29,758
Capitalized Costs	4,910		8,994
Transfers Out	$ (33,691)		$ (82,180)
Core Portfolio
Property, Plant and Equipment [Line Items]
Number of properties under development | Property	2		0	0		0
Real estate under development, beginning balance	$ 54,817		$ 42,517	$ 42,517		$ 63,875
Transfers In	9,610		0
Capitalized Costs	2,690		1,855
Transfers Out	$ 0		$ (23,213)
Fund Portfolio | Fund II
Property, Plant and Equipment [Line Items]
Number of properties under development | Property	0	[1]	0	0	[1]	0
Real estate under development, beginning balance	$ 34,072	[1]	$ 35,125	$ 35,125	[1]	$ 74,657
Transfers In	0	[1]	0
Capitalized Costs	503	[1]	3,921
Transfers Out	$ (1,556)	[1]	$ 43,453
Fund Portfolio | Fund III
Property, Plant and Equipment [Line Items]
Number of properties under development | Property	1		1	1		1
Real estate under development, beginning balance	$ 25,798		$ 24,296	$ 24,296		$ 23,104
Transfers In	0		0
Capitalized Costs	1,502		1,192
Transfers Out	$ 0		$ 0
Fund Portfolio | Fund IV
Property, Plant and Equipment [Line Items]
Number of properties under development | Property	1	[2]	1	1	[2]	2
Real estate under development, beginning balance	$ 69,915	[2]	$ 101,835	$ 101,835	[2]	$ 85,565
Transfers In	0	[2]	29,758
Capitalized Costs	215	[2]	2,026
Transfers Out	$ 32,135	[2]	$ 15,514

[1] Transfers out include $1.6 million related to a portion of one Fund II property that was transferred out of development.

[2] Transfers out include $13.4 million related to a portion of one Fund IV property that was transferred out of development and an impairment charge totaling $18.7 million on one Fund IV development property (Note 8).