Real Estate Joint Ventures (Details 2) $ in Thousands |
Mar. 31, 2020
USD ($)
property
|
Dec. 31, 2019
USD ($)
|
|---|---|---|
| Unconsolidated Real Estate Joint Ventures | ||
| Schedule of Equity Method Investments [Line Items] | ||
| Number of Properties | property | 15 | |
| Carrying value of Investments | $ | $ 51,220 | $ 51,949 |
| GI-COPT DC Partnership LLC | ||
| Schedule of Equity Method Investments [Line Items] | ||
| Nominal Ownership % | 50.00% | |
| Number of Properties | property | 6 | |
| Carrying value of Investments | $ | $ 37,275 | 37,816 |
| Variable Interest Entity, Not Primary Beneficiary | 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 | $ | $ 13,945 | $ 14,133 |
| X | ||||||||||
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The number of real estate properties owned as of the balance sheet date. No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|