Annual report pursuant to Section 13 and 15(d)

Nature of Business - Narrative (Details)

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Nature of Business - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
property
segment
unit
Dec. 31, 2018
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Number of multifamily properties acquired | property 8  
Number of units in multifamily properties acquired | unit 2,390  
Number of retail properties sold | property 8  
Number of retail properties sold that were identified for deferred exchange under Section 1031 | property 7  
Number of reportable segments | segment 2  
TRS    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Deferred tax asset | $ $ 1.4 $ 1.4
Deferred tax asset valuation allowance | $ 1.4 1.4
Deferred tax liabilities | $ $ 0.6 $ 0.6