XML 73 R56.htm IDEA: XBRL DOCUMENT v3.22.0.1
INVESTMENT IN UNCONSOLIDATED VENTURES - Narrative (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
property_unit
Sep. 30, 2021
USD ($)
Jun. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Sep. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Mar. 31, 2020
USD ($)
Dec. 31, 2021
USD ($)
property_unit
Dec. 31, 2020
USD ($)
Feb. 08, 2022
USD ($)
multi-familyProperty
Schedule of Equity Method Investments [Line Items]                        
No. of Units | property_unit   2,576               2,576    
Gain on sale of real estate   $ 0 $ 414,000 $ 7,279,000 $ 0 $ 0 $ 0 $ 0 $ 0 $ 7,693,000 $ 0  
Subsequent Event                        
Schedule of Equity Method Investments [Line Items]                        
Percentage of equity interest sold                       65.00%
Disposition of real estate properties                        
Schedule of Equity Method Investments [Line Items]                        
No. of Units | property_unit   273               273    
Sales Price   $ 25,045,000               $ 25,045,000    
BRT's Share of Gain on Sale                   7,693,000    
Unconsolidated joint ventures                        
Schedule of Equity Method Investments [Line Items]                        
Gain on sale of real estate                   $ 83,984,000 $ 0  
Unconsolidated joint ventures | San Antonio, Texas | Subsequent Event                        
Schedule of Equity Method Investments [Line Items]                        
Mortgage debt outstanding                       $ 25,100,000
Debt term                       1 year 4 months 24 days
Interest rate                       3.61%
Unconsolidated joint ventures | San Antonio, Texas | Disposition of real estate properties | Forecast                        
Schedule of Equity Method Investments [Line Items]                        
BRT's Share of Gain on Sale $ 12,700,000                      
Unconsolidated joint ventures | San Antonio, Texas | Disposition of real estate properties | Subsequent Event                        
Schedule of Equity Method Investments [Line Items]                        
No. of Units | multi-familyProperty                       288
Sales Price                       $ 53,800,000
Gain on sale of real estate $ 23,700,000