Quarterly report pursuant to Section 13 or 15(d)

Real Estate Joint Ventures - Investments in Unconsolidated Real Estate Joint Ventures (Details)

v3.23.1
Real Estate Joint Ventures - Investments in Unconsolidated Real Estate Joint Ventures (Details)
$ in Thousands
Mar. 31, 2023
USD ($)
property
Jan. 10, 2023
Dec. 31, 2022
USD ($)
Schedule of Equity Method Investments [Line Items]      
Investment in unconsolidated real estate joint ventures $ 42,279   $ 21,460
Other liabilities $ 21,008   18,556
Unconsolidated Real Estate Joint Ventures      
Schedule of Equity Method Investments [Line Items]      
Number of Properties | property 24    
Carrying value of Investments $ 40,476   20,001
Other liabilities $ (1,800)   (1,500)
Redshift JV LLC      
Schedule of Equity Method Investments [Line Items]      
Nominal Ownership % 10.00% 10.00%  
Number of Properties | property 3    
Carrying value of Investments $ 21,181   0
BREIT COPT DC JV LLC      
Schedule of Equity Method Investments [Line Items]      
Nominal Ownership % 10.00%    
Number of Properties | property 9    
Carrying value of Investments $ 11,331   11,568
Quark JV LLC      
Schedule of Equity Method Investments [Line Items]      
Nominal Ownership % 10.00%    
Number of Properties | property 2    
Carrying value of Investments $ 6,761   6,758
B RE COPT DC JV III LLC      
Schedule of Equity Method Investments [Line Items]      
Nominal Ownership % 10.00%    
Number of Properties | property 2    
Carrying value of Investments $ 3,006   3,134
B RE COPT DC JV II LLC      
Schedule of Equity Method Investments [Line Items]      
Nominal Ownership % 10.00%    
Number of Properties | property 8    
Carrying value of Investments $ (1,803)   (1,459)
Difference between the joint venture's cost basis and the entity's share of underlying equity in the net assets $ 7,000   $ 7,000