Subsequent Events - Schedule of sales (Details) - Subsequent Event - USD ($) $ in Millions	Mar. 03, 2022	Feb. 01, 2022
150 Industrial Road
Subsequent Event [Line Items]
Ownership Percentage		98.00%
Net Sales Price		$ 147.7
Realized Gain on Sale		$ 49.5
Warwick Shopping Center
Subsequent Event [Line Items]
Ownership Percentage	100.00%
Net Sales Price	$ 11.8
Realized Gain on Sale	$ 0.3
South Denver Marketplace
Subsequent Event [Line Items]
Ownership Percentage	100.00%
Net Sales Price	$ 73.0
Realized Gain on Sale	$ 1.0

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2443-110228

Name:	us-gaap_GainLossOnSaleOfProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration